./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/bitvector/parity.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_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/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_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/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_bcb62b81-4364-4017-a17c-26bb7d6c225e/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 d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:02:49,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:02:50,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:02:50,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:02:50,033 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:02:50,052 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:02:50,053 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:02:50,053 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:02:50,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:02:50,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:02:50,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:02:50,054 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:02:50,054 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:02:50,054 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:02:50,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:02:50,055 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:02:50,055 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:02:50,056 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:02:50,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:02:50,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:02:50,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:02:50,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:02:50,056 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:02:50,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:02:50,056 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_bcb62b81-4364-4017-a17c-26bb7d6c225e/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 -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2024-12-06 00:02:50,269 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:02:50,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:02:50,277 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:02:50,278 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:02:50,279 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:02:50,280 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/parity.i [2024-12-06 00:02:53,767 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/88da3148e/7bc957a01a3f44e5ad1d2cc07e6647b1/FLAG9515a0742 [2024-12-06 00:02:53,992 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:02:53,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/sv-benchmarks/c/bitvector/parity.i [2024-12-06 00:02:54,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/88da3148e/7bc957a01a3f44e5ad1d2cc07e6647b1/FLAG9515a0742 [2024-12-06 00:02:54,022 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/88da3148e/7bc957a01a3f44e5ad1d2cc07e6647b1 [2024-12-06 00:02:54,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:02:54,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:02:54,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:02:54,029 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:02:54,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:02:54,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161aeb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54, skipping insertion in model container [2024-12-06 00:02:54,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,058 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:02:54,215 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_bcb62b81-4364-4017-a17c-26bb7d6c225e/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-12-06 00:02:54,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:02:54,242 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:02:54,256 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_bcb62b81-4364-4017-a17c-26bb7d6c225e/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-12-06 00:02:54,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:02:54,278 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:02:54,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54 WrapperNode [2024-12-06 00:02:54,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:02:54,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:02:54,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:02:54,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:02:54,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,311 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-12-06 00:02:54,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:02:54,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:02:54,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:02:54,312 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:02:54,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,323 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,328 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,329 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,331 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:02:54,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:02:54,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:02:54,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:02:54,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:02:54,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:02:54,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:02:54,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:02:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:02:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:02:54,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:02:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:02:54,451 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:02:54,453 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:02:54,698 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 00:02:54,699 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:02:54,893 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:02:54,894 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:02:54,894 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:02:54 BoogieIcfgContainer [2024-12-06 00:02:54,894 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:02:54,895 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:02:54,895 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:02:54,907 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:02:54,907 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:02:54" (1/1) ... [2024-12-06 00:02:54,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:02:54,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:02:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:02:54,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:02:54,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:02:54,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:02:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:02:55,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:02:55,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:02:55,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 00:02:55,908 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 00:02:55,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:02:55,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:02:55,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:02:55,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:02:55,940 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:02:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:02:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:02:56,027 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:02:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:02:56,059 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:02:56,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:02:56 ImpRootNode [2024-12-06 00:02:56,080 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:02:56,081 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:02:56,081 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:02:56,081 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:02:56,082 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:02:54" (3/4) ... [2024-12-06 00:02:56,084 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:02:56,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:02:56,086 INFO L158 Benchmark]: Toolchain (without parser) took 2058.68ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 95.7MB in the end (delta: 21.1MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,086 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:02:56,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.97ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.52ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:02:56,087 INFO L158 Benchmark]: Boogie Preprocessor took 19.43ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.4MB in the end (delta: 689.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,088 INFO L158 Benchmark]: RCFGBuilder took 562.90ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 74.9MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:02:56,088 INFO L158 Benchmark]: CodeCheck took 1185.23ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 95.7MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:02:56,088 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:02:56,091 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, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 4 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, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 25]: 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 bitwiseOr at line 59, overapproximation of bitwiseAnd at line 61, overapproximation of bitwiseAnd at line 55. Possible FailurePath: [L42] unsigned int v = __VERIFIER_nondet_uint(); [L43] unsigned int v1; [L44] unsigned int v2; [L45] char parity1; [L46] char parity2; [L47] v1 = v [L48] parity1 = (char)0 VAL [parity1=0, v1=4294967299, v=4294967299] [L49] COND TRUE v1 != 0 [L50] COND TRUE parity1 == (char)0 [L51] parity1 = (char)1 [L55] EXPR v1 & (v1 - 1U) [L55] v1 = v1 & (v1 - 1U) [L49] COND FALSE !(v1 != 0) [L57] v2 = v [L58] parity2 = (char)0 [L59] EXPR v2 ^ (v2 >> 1u) [L59] v2 = v2 ^ (v2 >> 1u) [L60] EXPR v2 ^ (v2 >> 2u) [L60] v2 = v2 ^ (v2 >> 2u) [L61] EXPR v2 & 286331153U [L61] v2 = (v2 & 286331153U) * 286331153U [L62] COND TRUE ((v2 >> 28u) & 1u) == 0 [L63] parity2 = (char)0 [L67] CALL __VERIFIER_assert(parity1 == parity2) [L24] COND TRUE !(cond) [L25] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.97ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.4MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.52ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.43ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 103.4MB in the end (delta: 689.2kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 562.90ms. Allocated memory is still 142.6MB. Free memory was 103.2MB in the beginning and 74.9MB in the end (delta: 28.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1185.23ms. Allocated memory is still 142.6MB. Free memory was 74.9MB in the beginning and 95.7MB in the end (delta: -20.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 95.7MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 00:02:56,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/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_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/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_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/bitvector/parity.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/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_bcb62b81-4364-4017-a17c-26bb7d6c225e/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 d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:02:58,327 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:02:58,425 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:02:58,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:02:58,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:02:58,460 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:02:58,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:02:58,460 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:02:58,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:02:58,461 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:02:58,462 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:02:58,462 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:02:58,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:02:58,463 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:02:58,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:02:58,463 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:02:58,463 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:02:58,463 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:02:58,463 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:02:58,463 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:02:58,463 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_bcb62b81-4364-4017-a17c-26bb7d6c225e/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 -> d7c1c6c2f4d5b2d24ba57b817b67aabcbf492bd9ab5f9a13bcbf3c0241dcb4b3 [2024-12-06 00:02:58,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:02:58,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:02:58,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:02:58,768 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:02:58,769 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:02:58,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/bitvector/parity.i [2024-12-06 00:03:02,105 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/4b993960f/fa8867d4e9d6400aa17ca978bb8ac2ae/FLAGabc594c49 [2024-12-06 00:03:02,314 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:03:02,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/sv-benchmarks/c/bitvector/parity.i [2024-12-06 00:03:02,324 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/4b993960f/fa8867d4e9d6400aa17ca978bb8ac2ae/FLAGabc594c49 [2024-12-06 00:03:02,663 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/data/4b993960f/fa8867d4e9d6400aa17ca978bb8ac2ae [2024-12-06 00:03:02,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:03:02,666 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:03:02,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:03:02,667 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:03:02,671 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:03:02,672 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcbd2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02, skipping insertion in model container [2024-12-06 00:03:02,673 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:03:02,830 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_bcb62b81-4364-4017-a17c-26bb7d6c225e/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-12-06 00:03:02,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:03:02,857 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:03:02,870 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_bcb62b81-4364-4017-a17c-26bb7d6c225e/sv-benchmarks/c/bitvector/parity.i[1162,1175] [2024-12-06 00:03:02,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:03:02,892 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:03:02,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02 WrapperNode [2024-12-06 00:03:02,893 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:03:02,894 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:03:02,894 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:03:02,894 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:03:02,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,921 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2024-12-06 00:03:02,921 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:03:02,922 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:03:02,922 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:03:02,922 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:03:02,927 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,929 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,934 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:03:02,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:03:02,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:03:02,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:03:02,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:03:02" (1/1) ... [2024-12-06 00:03:02,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:03:02,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:03:02,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:03:02,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:03:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:03:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:03:03,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:03:03,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:03:03,055 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:03:03,057 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:03:03,181 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-06 00:03:03,181 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:03:03,239 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:03:03,239 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 00:03:03,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:03:03 BoogieIcfgContainer [2024-12-06 00:03:03,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:03:03,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:03:03,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:03:03,252 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:03:03,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:03:03" (1/1) ... [2024-12-06 00:03:03,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:03:03,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:03,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 00:03:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 00:03:03,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 00:03:03,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:03,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:03,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:03,318 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:03,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:03:03,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:03,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:03,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 00:03:03,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:03,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:03,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:03:03,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:03,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 9 states and 12 transitions. [2024-12-06 00:03:03,619 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 12 transitions. [2024-12-06 00:03:03,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 00:03:03,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:03,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:03,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:03,623 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:03,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:03:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:03,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:03,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 00:03:03,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:03,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:03,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:03:04,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 10 states and 15 transitions. [2024-12-06 00:03:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 15 transitions. [2024-12-06 00:03:04,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 00:03:04,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:04,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:04,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:04,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:04,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:03:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:04,228 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:04,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:04,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 00:03:04,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:04,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:03:04,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:04,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 11 states and 18 transitions. [2024-12-06 00:03:04,972 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 18 transitions. [2024-12-06 00:03:04,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 00:03:04,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:04,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:04,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:04,975 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:04,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:03:05,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:05,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:05,160 WARN L254 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:03:05,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:05,729 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:05,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:03:06,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:06,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 12 states and 21 transitions. [2024-12-06 00:03:06,206 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 21 transitions. [2024-12-06 00:03:06,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 00:03:06,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:06,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:06,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:06,209 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:06,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:03:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:06,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:06,404 WARN L254 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:03:06,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:07,068 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:07,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:03:07,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:07,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 13 states and 24 transitions. [2024-12-06 00:03:07,707 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 24 transitions. [2024-12-06 00:03:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 00:03:07,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:07,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:07,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:07,710 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:07,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:03:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:07,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:08,000 WARN L254 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 00:03:08,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:09,256 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:09,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:03:10,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 14 states and 27 transitions. [2024-12-06 00:03:10,351 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 27 transitions. [2024-12-06 00:03:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 00:03:10,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:10,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:10,353 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:10,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:03:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:10,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:10,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:10,687 WARN L254 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 00:03:10,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:12,273 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:12,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:03:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 15 states and 30 transitions. [2024-12-06 00:03:13,795 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 30 transitions. [2024-12-06 00:03:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 00:03:13,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:13,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:13,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:13,798 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:13,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:03:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:13,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:14,189 WARN L254 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:03:14,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:15,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:03:17,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:17,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 16 states and 33 transitions. [2024-12-06 00:03:17,536 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 33 transitions. [2024-12-06 00:03:17,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 00:03:17,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:17,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:17,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:17,539 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:17,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:03:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:17,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:18,072 WARN L254 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 00:03:18,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:20,098 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:20,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:03:22,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:22,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 17 states and 36 transitions. [2024-12-06 00:03:22,663 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 36 transitions. [2024-12-06 00:03:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 00:03:22,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:22,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:22,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:22,665 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:22,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:03:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:22,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:23,377 WARN L254 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:03:23,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:27,658 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:27,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:03:31,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:31,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 18 states and 39 transitions. [2024-12-06 00:03:31,170 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 39 transitions. [2024-12-06 00:03:31,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 00:03:31,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:31,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:31,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:31,173 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:31,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:03:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:31,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:31,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:31,940 WARN L254 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 00:03:31,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:38,754 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:38,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:03:43,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:43,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 19 states and 42 transitions. [2024-12-06 00:03:43,814 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 42 transitions. [2024-12-06 00:03:43,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 00:03:43,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:43,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:43,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:43,816 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:43,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:03:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:44,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:44,435 WARN L254 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-06 00:03:44,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:03:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:03:50,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:03:56,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:03:56,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 20 states and 45 transitions. [2024-12-06 00:03:56,002 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 45 transitions. [2024-12-06 00:03:56,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 00:03:56,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:03:56,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:03:56,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:03:56,005 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:03:56,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:03:56,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:56,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:03:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:03:56,988 WARN L254 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:03:56,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:04:04,572 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:04:04,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:04:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:04:10,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 21 states and 48 transitions. [2024-12-06 00:04:10,366 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 48 transitions. [2024-12-06 00:04:10,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 00:04:10,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:04:10,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:04:10,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:04:10,368 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:04:10,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:04:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:04:10,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:04:11,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:04:11,191 WARN L254 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-12-06 00:04:11,192 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:04:25,417 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:04:25,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:04:34,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:04:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:04:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 22 states and 51 transitions. [2024-12-06 00:04:35,568 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 51 transitions. [2024-12-06 00:04:35,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 00:04:35,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:04:35,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:04:35,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:04:35,570 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:04:35,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:04:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:04:35,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:04:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:04:36,842 WARN L254 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-06 00:04:36,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:04:51,802 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:04:51,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:05:00,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:05:00,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:00,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 23 states and 54 transitions. [2024-12-06 00:05:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 54 transitions. [2024-12-06 00:05:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 00:05:00,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:00,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:00,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:00,914 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:00,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:05:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:01,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:01,834 WARN L254 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 00:05:01,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:05:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:05:21,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:05:41,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:05:42,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:05:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 24 states and 57 transitions. [2024-12-06 00:05:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 57 transitions. [2024-12-06 00:05:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 00:05:42,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:05:42,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:05:42,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:05:42,389 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:05:42,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:05:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:42,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:05:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:05:43,730 WARN L254 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 00:05:43,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:05,211 WARN L286 SmtUtils]: Spent 5.54s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:06:13,257 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:06:13,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:06:30,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.41s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:06:30,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:06:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 25 states and 60 transitions. [2024-12-06 00:06:30,980 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 60 transitions. [2024-12-06 00:06:30,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 00:06:30,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:06:30,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:06:30,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:06:30,981 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:06:30,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:06:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:31,274 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:06:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:06:31,882 WARN L254 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-06 00:06:31,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:06:56,352 WARN L286 SmtUtils]: Spent 7.03s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:01,923 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:01,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:07:21,786 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:07:22,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:07:22,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 26 states and 63 transitions. [2024-12-06 00:07:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 63 transitions. [2024-12-06 00:07:22,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 00:07:22,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:07:22,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:07:22,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:07:22,968 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:07:22,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:07:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:23,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:07:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:07:24,321 WARN L254 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 00:07:24,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:07:43,545 WARN L286 SmtUtils]: Spent 6.02s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:49,780 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:07:50,143 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:07:50,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:08:16,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:08:17,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:08:17,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 27 states and 66 transitions. [2024-12-06 00:08:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 66 transitions. [2024-12-06 00:08:17,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 00:08:17,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:08:17,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:08:17,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:08:17,805 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:08:17,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:08:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:18,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:08:19,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:08:19,078 WARN L254 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 46 conjuncts are in the unsatisfiable core [2024-12-06 00:08:19,081 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:09:07,368 WARN L286 SmtUtils]: Spent 9.21s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:09:19,766 WARN L286 SmtUtils]: Spent 11.74s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:09:26,094 WARN L286 SmtUtils]: Spent 6.33s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:09:32,497 WARN L286 SmtUtils]: Spent 6.40s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:09:32,943 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:09:32,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-12-06 00:10:20,844 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.35s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:10:22,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:10:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 28 states and 69 transitions. [2024-12-06 00:10:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 69 transitions. [2024-12-06 00:10:22,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 00:10:22,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:10:22,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:10:22,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:10:22,456 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:10:22,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:10:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:22,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:10:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:10:23,626 WARN L254 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-06 00:10:23,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:11:19,067 WARN L286 SmtUtils]: Spent 11.18s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:11:32,288 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:11:32,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-12-06 00:12:19,298 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:12:21,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:12:21,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 29 states and 72 transitions. [2024-12-06 00:12:21,178 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 72 transitions. [2024-12-06 00:12:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 00:12:21,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:12:21,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:12:21,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:12:21,180 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:12:21,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:12:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:21,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:12:22,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:12:22,274 WARN L254 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-12-06 00:12:22,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:13:10,426 WARN L286 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:13:21,997 WARN L286 SmtUtils]: Spent 11.57s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:13:31,870 WARN L286 SmtUtils]: Spent 5.67s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:13:32,451 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:13:32,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-12-06 00:14:15,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.70s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:14:17,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:14:17,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 30 states and 75 transitions. [2024-12-06 00:14:17,865 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 75 transitions. [2024-12-06 00:14:17,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-06 00:14:17,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:14:17,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:14:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:14:17,867 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:14:17,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:14:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:18,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:14:18,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:14:18,883 WARN L254 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-06 00:14:18,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:15:07,949 WARN L286 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 6 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:15:13,540 WARN L286 SmtUtils]: Spent 5.59s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:15:19,536 WARN L286 SmtUtils]: Spent 6.00s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:15:26,027 WARN L286 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:15:26,216 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:15:26,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-12-06 00:16:23,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-06 00:16:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:16:26,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 78 transitions. [2024-12-06 00:16:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 78 transitions. [2024-12-06 00:16:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-06 00:16:26,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:16:26,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:16:26,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:16:26,123 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:16:26,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:16:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:26,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:16:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:27,146 WARN L254 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-06 00:16:27,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:17:43,238 WARN L286 SmtUtils]: Spent 7.59s on a formula simplification. DAG size of input: 15 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:17:49,519 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification. DAG size of input: 16 DAG size of output: 1 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-12-06 00:17:50,126 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:17:50,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb62b81-4364-4017-a17c-26bb7d6c225e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0