./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.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_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/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_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/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_81872d68-e994-4185-8de7-4a4bc613bb25/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 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:02:31,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:02:31,570 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:02:31,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:02:31,574 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:02:31,593 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:02:31,594 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:02:31,594 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:02:31,594 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:02:31,594 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:02:31,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:02:31,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:02:31,595 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:02:31,595 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:02:31,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:02:31,596 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:02:31,596 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:02:31,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:02:31,596 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:02:31,596 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:02:31,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:02:31,596 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:02:31,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:02:31,596 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_81872d68-e994-4185-8de7-4a4bc613bb25/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 -> 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 [2024-12-06 04:02:31,817 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:02:31,825 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:02:31,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:02:31,829 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:02:31,829 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:02:31,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2024-12-06 04:02:34,508 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/1feaa9ba1/9ef358ac974643898b88e49e435a82f3/FLAG31dd5dd61 [2024-12-06 04:02:34,702 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:02:34,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2024-12-06 04:02:34,709 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/1feaa9ba1/9ef358ac974643898b88e49e435a82f3/FLAG31dd5dd61 [2024-12-06 04:02:34,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/1feaa9ba1/9ef358ac974643898b88e49e435a82f3 [2024-12-06 04:02:34,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:02:34,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:02:34,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:02:34,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:02:34,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:02:34,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fa70a2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34, skipping insertion in model container [2024-12-06 04:02:34,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,744 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:02:34,851 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2024-12-06 04:02:34,874 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2024-12-06 04:02:34,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:02:34,883 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:02:34,892 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2024-12-06 04:02:34,902 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2024-12-06 04:02:34,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:02:34,914 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:02:34,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34 WrapperNode [2024-12-06 04:02:34,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:02:34,915 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:02:34,915 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:02:34,916 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:02:34,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,945 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-12-06 04:02:34,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:02:34,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:02:34,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:02:34,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:02:34,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,961 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,962 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,963 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,965 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:02:34,966 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:02:34,966 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:02:34,966 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:02:34,967 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:34" (1/1) ... [2024-12-06 04:02:34,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:02:34,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:02:34,995 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:02:34,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:02:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:02:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:02:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:02:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:02:35,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:02:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:02:35,076 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:02:35,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:02:35,204 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-06 04:02:35,204 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:02:35,249 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:02:35,250 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:02:35,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:02:35 BoogieIcfgContainer [2024-12-06 04:02:35,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:02:35,251 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:02:35,251 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:02:35,257 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:02:35,258 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:02:35" (1/1) ... [2024-12-06 04:02:35,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:02:35,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:02:35,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 04:02:35,300 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 04:02:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:02:35,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:02:35,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:02:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:02:35,365 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:02:35,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:02:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:02:35,406 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:02:35,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:02:35,423 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:02:35,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:02:35 ImpRootNode [2024-12-06 04:02:35,436 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:02:35,437 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:02:35,437 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:02:35,437 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:02:35,438 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:02:35" (3/4) ... [2024-12-06 04:02:35,440 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:02:35,441 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:02:35,442 INFO L158 Benchmark]: Toolchain (without parser) took 715.54ms. Allocated memory is still 142.6MB. Free memory was 118.0MB in the beginning and 76.6MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 04:02:35,442 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:02:35,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.72ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:02:35,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.06ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:02:35,443 INFO L158 Benchmark]: Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.6MB in the end (delta: 854.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:02:35,444 INFO L158 Benchmark]: RCFGBuilder took 284.56ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 88.1MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:02:35,444 INFO L158 Benchmark]: CodeCheck took 185.44ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 76.9MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:02:35,445 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 76.6MB in the end (delta: 168.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:02:35,447 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 2 procedures, 21 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: 109]: 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 98, overapproximation of someBinaryDOUBLEComparisonOperation at line 108, overapproximation of someBinaryArithmeticFLOAToperation at line 87. Possible FailurePath: [L115] COND FALSE !(__VERIFIER_nondet_int()) [L118] CALL main2() [L97] float IN = __VERIFIER_nondet_float(); [L98] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L82] COND FALSE !(!cond) [L98] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L100] CALL, EXPR f(IN) [L87] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L100] RET, EXPR f(IN) [L100] CALL, EXPR fp(IN) [L92] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L100] RET, EXPR fp(IN) [L100] float x = IN - f(IN)/fp(IN); [L108] COND TRUE !(x < 0.1) [L109] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 73.1MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.72ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 105.9MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.06ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 104.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.08ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.6MB in the end (delta: 854.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 284.56ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 88.1MB in the end (delta: 15.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 185.44ms. Allocated memory is still 142.6MB. Free memory was 87.9MB in the beginning and 76.9MB in the end (delta: 11.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 76.7MB in the beginning and 76.6MB in the end (delta: 168.0kB). 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 04:02:35,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/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_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/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_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/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_81872d68-e994-4185-8de7-4a4bc613bb25/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 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:02:37,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:02:37,539 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:02:37,565 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:02:37,565 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:02:37,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:02:37,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:02:37,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:02:37,566 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:02:37,566 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:02:37,566 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:02:37,567 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:02:37,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:02:37,568 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:02:37,568 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:02:37,568 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:02:37,568 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:02:37,568 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:02:37,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:02:37,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:02:37,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:02:37,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:02:37,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:02:37,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:02:37,569 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:02:37,569 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:02:37,569 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_81872d68-e994-4185-8de7-4a4bc613bb25/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 -> 8d5852a96a997fd819a9dfc3e184ca8c6360d14970e60ecfb10d610384c98f94 [2024-12-06 04:02:37,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:02:37,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:02:37,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:02:37,826 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:02:37,826 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:02:37,828 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2024-12-06 04:02:40,518 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/936e1e564/1900b02c61e7492cb4c830bf2619d05f/FLAG46d398adf [2024-12-06 04:02:40,689 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:02:40,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i [2024-12-06 04:02:40,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/936e1e564/1900b02c61e7492cb4c830bf2619d05f/FLAG46d398adf [2024-12-06 04:02:40,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/data/936e1e564/1900b02c61e7492cb4c830bf2619d05f [2024-12-06 04:02:40,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:02:40,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:02:40,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:02:40,714 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:02:40,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:02:40,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,718 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ec21f75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40, skipping insertion in model container [2024-12-06 04:02:40,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,730 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:02:40,840 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2024-12-06 04:02:40,864 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2024-12-06 04:02:40,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:02:40,877 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:02:40,887 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[1224,1237] [2024-12-06 04:02:40,898 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_81872d68-e994-4185-8de7-4a4bc613bb25/sv-benchmarks/c/combinations/gcd_4+newton_1_6.i[2806,2819] [2024-12-06 04:02:40,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:02:40,911 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:02:40,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40 WrapperNode [2024-12-06 04:02:40,912 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:02:40,912 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:02:40,912 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:02:40,913 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:02:40,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,944 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-12-06 04:02:40,944 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:02:40,945 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:02:40,945 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:02:40,945 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:02:40,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,953 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,953 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,960 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,961 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,964 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,966 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:02:40,970 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:02:40,970 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:02:40,971 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:02:40,971 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:02:40" (1/1) ... [2024-12-06 04:02:40,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:02:40,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:02:40,996 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:02:40,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:02:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:02:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:02:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:02:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:02:41,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:02:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:02:41,075 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:02:41,077 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:03:03,555 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-12-06 04:03:03,555 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:03:03,619 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:03:03,620 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 04:03:03,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:03:03 BoogieIcfgContainer [2024-12-06 04:03:03,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:03:03,621 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:03:03,621 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:03:03,629 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:03:03,630 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:03:03" (1/1) ... [2024-12-06 04:03:03,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:03:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:03:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 04:03:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 04:03:03,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:03:03,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:03:03,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:03:03,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:03:03,675 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:03:03,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_81872d68-e994-4185-8de7-4a4bc613bb25/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process