./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/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_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/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_3488b218-16a0-4d39-8115-943096210155/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 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:42:48,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:42:48,336 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:42:48,341 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:42:48,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:42:48,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:42:48,365 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:42:48,365 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:42:48,366 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:42:48,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:42:48,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:42:48,367 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:42:48,367 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:42:48,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:42:48,368 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:42:48,368 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:42:48,368 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:42:48,368 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:42:48,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:42:48,368 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_3488b218-16a0-4d39-8115-943096210155/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 -> 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c [2024-12-06 00:42:48,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:42:48,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:42:48,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:42:48,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:42:48,648 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:42:48,649 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i [2024-12-06 00:42:51,488 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/7d954fde9/2440876f720e4c7a9707cd4b21c31b3c/FLAG1c8526e50 [2024-12-06 00:42:51,701 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:42:51,702 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i [2024-12-06 00:42:51,710 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/7d954fde9/2440876f720e4c7a9707cd4b21c31b3c/FLAG1c8526e50 [2024-12-06 00:42:51,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/7d954fde9/2440876f720e4c7a9707cd4b21c31b3c [2024-12-06 00:42:51,729 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:42:51,730 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:42:51,732 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:42:51,732 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:42:51,736 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:42:51,737 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:51,738 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@501c92db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51, skipping insertion in model container [2024-12-06 00:42:51,739 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:51,755 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:42:51,896 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-12-06 00:42:51,927 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-12-06 00:42:51,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:42:51,938 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:42:51,950 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-12-06 00:42:51,961 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-12-06 00:42:51,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:42:51,978 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:42:51,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51 WrapperNode [2024-12-06 00:42:51,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:42:51,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:42:51,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:42:51,980 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:42:51,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:51,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,014 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2024-12-06 00:42:52,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:42:52,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:42:52,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:42:52,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:42:52,024 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,026 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,026 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,031 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,032 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:42:52,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:42:52,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:42:52,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:42:52,043 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:51" (1/1) ... [2024-12-06 00:42:52,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:42:52,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:42:52,076 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:42:52,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:42:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:42:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:42:52,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:42:52,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:42:52,176 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:42:52,178 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:42:52,336 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 00:42:52,336 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:42:52,402 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:42:52,403 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:42:52,403 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:42:52 BoogieIcfgContainer [2024-12-06 00:42:52,403 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:42:52,404 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:42:52,404 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:42:52,412 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:42:52,412 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:42:52" (1/1) ... [2024-12-06 00:42:52,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:42:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:42:52,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:42:52,457 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:42:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:42:52,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:42:52,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:42:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:42:52,524 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:42:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:42:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:42:52,573 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:42:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:42:52,590 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 00:42:52,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:42:52 ImpRootNode [2024-12-06 00:42:52,606 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:42:52,607 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:42:52,607 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:42:52,607 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:42:52,607 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:42:52" (3/4) ... [2024-12-06 00:42:52,610 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:42:52,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:42:52,612 INFO L158 Benchmark]: Toolchain (without parser) took 881.33ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 75.9MB in the end (delta: 42.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 00:42:52,612 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:42:52,613 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.11ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:42:52,613 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.65ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:42:52,614 INFO L158 Benchmark]: Boogie Preprocessor took 25.16ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:42:52,614 INFO L158 Benchmark]: RCFGBuilder took 361.83ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 87.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 00:42:52,615 INFO L158 Benchmark]: CodeCheck took 202.30ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 76.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:42:52,615 INFO L158 Benchmark]: Witness Printer took 4.03ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 75.9MB in the end (delta: 270.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:42:52,618 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 > -1.0f && IN < 1.0f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -1.0f && IN < 1.0f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.11ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.1MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.65ms. Allocated memory is still 142.6MB. Free memory was 105.8MB in the beginning and 104.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.16ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 103.4MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 361.83ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 87.2MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 202.30ms. Allocated memory is still 142.6MB. Free memory was 87.2MB in the beginning and 76.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.03ms. Allocated memory is still 142.6MB. Free memory was 76.1MB in the beginning and 75.9MB in the end (delta: 270.1kB). 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 00:42:52,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/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_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/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_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/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_3488b218-16a0-4d39-8115-943096210155/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 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:42:54,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:42:54,706 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:42:54,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:42:54,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:42:54,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:42:54,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:42:54,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:42:54,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:42:54,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:42:54,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:42:54,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:42:54,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:42:54,733 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:42:54,734 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_3488b218-16a0-4d39-8115-943096210155/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 -> 8c1372ae8683a9b181ceb7919574ebc960da9cc935a490e3fb100e7f3b19512c [2024-12-06 00:42:54,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:42:54,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:42:54,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:42:54,992 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:42:54,992 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:42:54,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_3+newton_1_5.i [2024-12-06 00:42:57,792 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/652df3b12/393f39817bdd4aaa9d1096405fb611a3/FLAG310477c21 [2024-12-06 00:42:57,994 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:42:57,995 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i [2024-12-06 00:42:58,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/652df3b12/393f39817bdd4aaa9d1096405fb611a3/FLAG310477c21 [2024-12-06 00:42:58,016 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/data/652df3b12/393f39817bdd4aaa9d1096405fb611a3 [2024-12-06 00:42:58,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:42:58,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:42:58,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:42:58,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:42:58,026 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:42:58,026 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,027 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2498e074 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58, skipping insertion in model container [2024-12-06 00:42:58,027 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,043 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:42:58,191 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-12-06 00:42:58,215 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-12-06 00:42:58,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:42:58,228 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:42:58,237 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[1226,1239] [2024-12-06 00:42:58,248 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_3488b218-16a0-4d39-8115-943096210155/sv-benchmarks/c/combinations/gcd_3+newton_1_5.i[2820,2833] [2024-12-06 00:42:58,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:42:58,261 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:42:58,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58 WrapperNode [2024-12-06 00:42:58,262 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:42:58,263 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:42:58,263 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:42:58,263 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:42:58,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,293 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2024-12-06 00:42:58,294 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:42:58,294 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:42:58,294 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:42:58,294 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:42:58,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,305 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,305 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,311 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,312 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,315 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:42:58,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:42:58,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:42:58,320 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:42:58,321 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:42:58" (1/1) ... [2024-12-06 00:42:58,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:42:58,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:42:58,349 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:42:58,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:42:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:42:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:42:58,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:42:58,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:42:58,427 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:42:58,429 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:43:20,390 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-12-06 00:43:20,391 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:43:20,456 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:43:20,457 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:43:20,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:20 BoogieIcfgContainer [2024-12-06 00:43:20,457 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:43:20,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:43:20,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:43:20,464 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:43:20,464 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:43:20" (1/1) ... [2024-12-06 00:43:20,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:43:20,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:43:20,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-06 00:43:20,505 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-06 00:43:20,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:43:20,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:43:20,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:43:20,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:43:20,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:43:20,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3488b218-16a0-4d39-8115-943096210155/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:50:07,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:50:07,516 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:53:48,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat