./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_1_4.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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3 --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 51dae543cdeecc21d2596d81d8a0111e0d035dad0e8735c007db6660549676ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:24:51,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:24:51,415 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:24:51,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:24:51,426 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:24:51,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:24:51,461 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:24:51,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:24:51,462 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:24:51,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:24:51,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:24:51,464 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:24:51,464 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:24:51,464 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:24:51,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:24:51,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:24:51,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:24:51,465 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:24:51,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:24:51,465 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:24:51,466 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:24:51,466 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:24:51,466 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:24:51,466 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:24:51,466 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:24:51,466 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:24:51,466 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:24:51,467 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:24:51,467 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:24:51,467 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:24:51,467 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:24:51,467 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:24:51,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:24:51,468 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3 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 -> 51dae543cdeecc21d2596d81d8a0111e0d035dad0e8735c007db6660549676ee [2024-11-24 18:24:51,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:24:51,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:24:51,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:24:51,800 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:24:51,801 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:24:51,802 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/gcd_3+newton_1_4.i [2024-11-24 18:24:54,892 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/526b5f9c6/a96bfdf2a6914f0fac4d07176e418e19/FLAG654579e76 [2024-11-24 18:24:55,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:24:55,181 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i [2024-11-24 18:24:55,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/526b5f9c6/a96bfdf2a6914f0fac4d07176e418e19/FLAG654579e76 [2024-11-24 18:24:55,222 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/526b5f9c6/a96bfdf2a6914f0fac4d07176e418e19 [2024-11-24 18:24:55,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:24:55,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:24:55,232 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:24:55,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:24:55,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:24:55,239 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@550ba06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55, skipping insertion in model container [2024-11-24 18:24:55,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,268 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:24:55,445 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[1226,1239] [2024-11-24 18:24:55,496 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[2820,2833] [2024-11-24 18:24:55,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:24:55,516 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:24:55,527 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[1226,1239] [2024-11-24 18:24:55,540 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[2820,2833] [2024-11-24 18:24:55,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:24:55,558 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:24:55,558 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55 WrapperNode [2024-11-24 18:24:55,558 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:24:55,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:24:55,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:24:55,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:24:55,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,608 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2024-11-24 18:24:55,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:24:55,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:24:55,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:24:55,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:24:55,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,640 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:24:55,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:24:55,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:24:55,661 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:24:55,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:24:55" (1/1) ... [2024-11-24 18:24:55,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:24:55,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:24:55,705 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:24:55,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:24:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:24:55,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:24:55,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:24:55,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:24:55,831 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:24:55,834 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:24:56,028 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-24 18:24:56,028 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:24:56,181 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:24:56,182 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:24:56,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:24:56 BoogieIcfgContainer [2024-11-24 18:24:56,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:24:56,183 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:24:56,183 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:24:56,210 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:24:56,210 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:24:56" (1/1) ... [2024-11-24 18:24:56,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:24:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:56,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-24 18:24:56,321 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-24 18:24:56,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:24:56,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:56,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:24:56,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:24:56,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:24:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:24:56,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:24:56,594 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:24:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:24:56,632 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:24:56,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:24:56 ImpRootNode [2024-11-24 18:24:56,653 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:24:56,653 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:24:56,654 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:24:56,654 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:24:56,655 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:24:56" (3/4) ... [2024-11-24 18:24:56,658 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:24:56,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:24:56,660 INFO L158 Benchmark]: Toolchain (without parser) took 1430.88ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 50.7MB in the end (delta: 41.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-24 18:24:56,661 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:24:56,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.14ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:24:56,662 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:24:56,662 INFO L158 Benchmark]: Boogie Preprocessor took 42.84ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.9MB in the end (delta: 900.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:24:56,663 INFO L158 Benchmark]: RCFGBuilder took 526.02ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 62.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:24:56,663 INFO L158 Benchmark]: CodeCheck took 469.66ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 51.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:24:56,664 INFO L158 Benchmark]: Witness Printer took 5.56ms. Allocated memory is still 117.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:24:56,666 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: 0.4s, 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 > -0.8f && IN < 0.8f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.8f && IN < 0.8f) [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 0.38ms. Allocated memory is still 117.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.14ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 80.6MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.57ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 78.8MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.84ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 77.9MB in the end (delta: 900.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.02ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 62.0MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 469.66ms. Allocated memory is still 117.4MB. Free memory was 62.0MB in the beginning and 51.0MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 5.56ms. Allocated memory is still 117.4MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:24:56,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3 --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 51dae543cdeecc21d2596d81d8a0111e0d035dad0e8735c007db6660549676ee --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:24:59,739 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:24:59,876 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:24:59,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:24:59,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:24:59,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:24:59,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:24:59,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:24:59,922 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:24:59,923 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:24:59,923 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:24:59,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:24:59,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:24:59,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:24:59,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:24:59,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:24:59,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:24:59,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:24:59,926 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:24:59,926 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:24:59,926 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:24:59,926 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:24:59,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:24:59,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:24:59,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:24:59,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:24:59,927 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:59,927 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:24:59,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:24:59,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:24:59,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:24:59,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:24:59,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:24:59,928 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:24:59,928 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:59,928 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:24:59,928 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3 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 -> 51dae543cdeecc21d2596d81d8a0111e0d035dad0e8735c007db6660549676ee [2024-11-24 18:25:00,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:25:00,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:25:00,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:25:00,320 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:25:00,320 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:25:00,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/gcd_3+newton_1_4.i [2024-11-24 18:25:03,458 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/5bf4f4e4e/d147093bbf914b56b7fdf33c6660c761/FLAG7a3ab7aff [2024-11-24 18:25:03,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:25:03,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i [2024-11-24 18:25:03,801 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/5bf4f4e4e/d147093bbf914b56b7fdf33c6660c761/FLAG7a3ab7aff [2024-11-24 18:25:03,829 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/data/5bf4f4e4e/d147093bbf914b56b7fdf33c6660c761 [2024-11-24 18:25:03,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:25:03,836 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:25:03,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:25:03,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:25:03,846 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:25:03,847 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:25:03" (1/1) ... [2024-11-24 18:25:03,850 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19f1ba35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:03, skipping insertion in model container [2024-11-24 18:25:03,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:25:03" (1/1) ... [2024-11-24 18:25:03,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:25:04,078 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[1226,1239] [2024-11-24 18:25:04,133 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[2820,2833] [2024-11-24 18:25:04,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:25:04,166 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:25:04,188 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[1226,1239] [2024-11-24 18:25:04,210 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_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/sv-benchmarks/c/combinations/gcd_3+newton_1_4.i[2820,2833] [2024-11-24 18:25:04,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:25:04,241 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:25:04,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04 WrapperNode [2024-11-24 18:25:04,242 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:25:04,243 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:25:04,243 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:25:04,243 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:25:04,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,318 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2024-11-24 18:25:04,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:25:04,319 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:25:04,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:25:04,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:25:04,329 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,332 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,332 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,340 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,341 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,345 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,347 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,349 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:25:04,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:25:04,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:25:04,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:25:04,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:25:04" (1/1) ... [2024-11-24 18:25:04,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:25:04,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:25:04,393 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:25:04,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:25:04,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:25:04,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:25:04,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:25:04,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:25:04,531 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:25:04,534 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:25:26,821 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-24 18:25:26,822 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:25:26,940 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:25:26,942 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 18:25:26,942 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:25:26 BoogieIcfgContainer [2024-11-24 18:25:26,942 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:25:26,943 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:25:26,943 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:25:26,956 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:25:26,957 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:25:26" (1/1) ... [2024-11-24 18:25:26,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:25:27,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-24 18:25:27,042 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-24 18:25:27,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-24 18:25:27,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:27,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:27,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:27,050 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:27,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdb262aa-93b2-4baa-89ce-6212c5fa32e2/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:32:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:32:00,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.