./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/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 64bit --witnessprinter.graph.data.programhash 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:45:16,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:45:16,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-05 22:45:16,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:45:16,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:45:16,717 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:45:16,718 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:45:16,719 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:45:16,719 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:45:16,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:45:16,720 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:45:16,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:45:16,720 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:45:16,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:45:16,720 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:45:16,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:45:16,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:45:16,721 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:45:16,721 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:45:16,721 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:45:16,721 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:45:16,721 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:45:16,721 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:45:16,721 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:45:16,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:16,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:45:16,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:45:16,722 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:45:16,722 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:45:16,722 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:45:16,722 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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 [2024-12-05 22:45:16,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:45:16,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:45:16,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:45:16,994 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:45:16,995 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:45:16,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2024-12-05 22:45:20,312 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/3a297d137/407040a0846e48f0898359a3b8000c6a/FLAG74b2f3913 [2024-12-05 22:45:20,542 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:45:20,543 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2024-12-05 22:45:20,551 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/3a297d137/407040a0846e48f0898359a3b8000c6a/FLAG74b2f3913 [2024-12-05 22:45:20,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/3a297d137/407040a0846e48f0898359a3b8000c6a [2024-12-05 22:45:20,879 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:45:20,881 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:45:20,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:20,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:45:20,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:45:20,888 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:20" (1/1) ... [2024-12-05 22:45:20,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@380a6f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:20, skipping insertion in model container [2024-12-05 22:45:20,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:20" (1/1) ... [2024-12-05 22:45:20,909 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:45:21,081 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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-12-05 22:45:21,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:21,144 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:45:21,156 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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-12-05 22:45:21,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:21,205 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:45:21,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21 WrapperNode [2024-12-05 22:45:21,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:21,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:21,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:45:21,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:45:21,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,270 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 187 [2024-12-05 22:45:21,271 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:21,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:45:21,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:45:21,272 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:45:21,281 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,287 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,299 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,313 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,319 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:45:21,320 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:45:21,320 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:45:21,321 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:45:21,322 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:21" (1/1) ... [2024-12-05 22:45:21,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:21,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:45:21,363 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:45:21,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:45:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:45:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:45:21,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:45:21,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:45:21,495 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:45:21,497 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:45:21,910 INFO L? ?]: Removed 105 outVars from TransFormulas that were not future-live. [2024-12-05 22:45:21,910 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:45:22,168 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:45:22,168 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:45:22,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:22 BoogieIcfgContainer [2024-12-05 22:45:22,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:45:22,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:45:22,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:45:22,183 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:45:22,183 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:22" (1/1) ... [2024-12-05 22:45:22,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:45:22,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:22,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:45:22,253 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:45:22,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:45:22,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:22,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:22,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:22,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 8 states and 9 transitions. [2024-12-05 22:45:22,945 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2024-12-05 22:45:22,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:45:22,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:22,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:45:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:23,159 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:45:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:23,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:23,447 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:45:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:45:23,570 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-05 22:45:23,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:45:23 ImpRootNode [2024-12-05 22:45:23,604 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:45:23,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:45:23,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:45:23,605 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:45:23,606 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:22" (3/4) ... [2024-12-05 22:45:23,609 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:45:23,610 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:45:23,611 INFO L158 Benchmark]: Toolchain (without parser) took 2729.75ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 68.9MB in the end (delta: 23.5MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-12-05 22:45:23,611 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:23,612 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.20ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.1MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:45:23,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.53ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 74.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:23,613 INFO L158 Benchmark]: Boogie Preprocessor took 48.29ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:23,613 INFO L158 Benchmark]: RCFGBuilder took 848.18ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 62.8MB in the end (delta: 9.8MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. [2024-12-05 22:45:23,614 INFO L158 Benchmark]: CodeCheck took 1434.37ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 69.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:23,614 INFO L158 Benchmark]: Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.9MB in the end (delta: 918.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:45:23,617 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: 1.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 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, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 1 mSDtfsCounter, 10 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, 0.4s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 21]: 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 79, overapproximation of bitwiseAnd at line 80, overapproximation of bitwiseAnd at line 39, overapproximation of bitwiseAnd at line 60. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L32] const SORT_3 var_4 = 0; [L33] const SORT_1 var_13 = 1; [L34] const SORT_3 var_19 = 255; [L35] const SORT_3 var_23 = 1; [L37] SORT_1 input_2; [L39] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L39] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L40] EXPR __VERIFIER_nondet_uchar() & mask_SORT_3 [L40] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L42] SORT_3 init_6_arg_1 = var_4; [L43] state_5 = init_6_arg_1 [L44] SORT_3 init_8_arg_1 = var_4; [L45] state_7 = init_8_arg_1 VAL [mask_SORT_1=1, mask_SORT_3=255, state_5=0, state_7=0, var_13=1, var_19=255, var_23=1] [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND FALSE !(!(cond)) [L63] RET __VERIFIER_assert(!(bad_16_arg_0)) [L65] SORT_3 var_25_arg_0 = state_5; [L66] SORT_3 var_25_arg_1 = state_7; [L67] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L68] SORT_3 var_24_arg_0 = state_5; [L69] SORT_3 var_24_arg_1 = var_23; [L70] SORT_3 var_24 = var_24_arg_0 + var_24_arg_1; [L71] SORT_3 var_18_arg_0 = state_5; [L72] SORT_3 var_18_arg_1 = state_7; [L73] SORT_1 var_18 = var_18_arg_0 > var_18_arg_1; [L74] SORT_3 var_20_arg_0 = state_7; [L75] SORT_3 var_20_arg_1 = var_19; [L76] SORT_1 var_20 = var_20_arg_0 != var_20_arg_1; [L77] SORT_1 var_21_arg_0 = var_18; [L78] SORT_1 var_21_arg_1 = var_20; [L79] EXPR var_21_arg_0 | var_21_arg_1 [L79] SORT_1 var_21 = var_21_arg_0 | var_21_arg_1; [L80] EXPR var_21 & mask_SORT_1 [L80] var_21 = var_21 & mask_SORT_1 [L81] SORT_1 var_22_arg_0 = var_21; [L82] SORT_3 var_22_arg_1 = state_5; [L83] SORT_3 var_22_arg_2 = state_7; [L84] SORT_3 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L85] SORT_1 var_26_arg_0 = var_25; [L86] SORT_3 var_26_arg_1 = var_24; [L87] SORT_3 var_26_arg_2 = var_22; [L88] SORT_3 var_26 = var_26_arg_0 ? var_26_arg_1 : var_26_arg_2; [L89] EXPR var_26 & mask_SORT_3 [L89] var_26 = var_26 & mask_SORT_3 [L90] SORT_3 next_27_arg_1 = var_26; [L91] SORT_3 var_33_arg_0 = state_5; [L92] SORT_3 var_33_arg_1 = state_7; [L93] SORT_1 var_33 = var_33_arg_0 > var_33_arg_1; [L94] SORT_3 var_29_arg_0 = state_5; [L95] SORT_3 var_29_arg_1 = state_7; [L96] SORT_1 var_29 = var_29_arg_0 == var_29_arg_1; [L97] SORT_3 var_30_arg_0 = state_7; [L98] SORT_3 var_30_arg_1 = var_19; [L99] SORT_1 var_30 = var_30_arg_0 != var_30_arg_1; [L100] SORT_1 var_31_arg_0 = var_29; [L101] SORT_1 var_31_arg_1 = var_30; [L102] EXPR var_31_arg_0 | var_31_arg_1 [L102] SORT_1 var_31 = var_31_arg_0 | var_31_arg_1; [L103] EXPR var_31 & mask_SORT_1 [L103] var_31 = var_31 & mask_SORT_1 [L104] SORT_3 var_28_arg_0 = state_7; [L105] SORT_3 var_28_arg_1 = var_23; [L106] SORT_3 var_28 = var_28_arg_0 + var_28_arg_1; [L107] SORT_1 var_32_arg_0 = var_31; [L108] SORT_3 var_32_arg_1 = var_28; [L109] SORT_3 var_32_arg_2 = state_5; [L110] SORT_3 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L111] SORT_1 var_34_arg_0 = var_33; [L112] SORT_3 var_34_arg_1 = state_7; [L113] SORT_3 var_34_arg_2 = var_32; [L114] SORT_3 var_34 = var_34_arg_0 ? var_34_arg_1 : var_34_arg_2; [L115] EXPR var_34 & mask_SORT_3 [L115] var_34 = var_34 & mask_SORT_3 [L116] SORT_3 next_35_arg_1 = var_34; [L118] state_5 = next_27_arg_1 [L119] state_7 = next_35_arg_1 [L48] input_2 = __VERIFIER_nondet_uchar() [L51] SORT_3 var_9_arg_0 = state_5; [L52] SORT_3 var_9_arg_1 = state_7; [L53] SORT_1 var_9 = var_9_arg_0 > var_9_arg_1; [L54] SORT_1 var_10_arg_0 = var_9; [L55] SORT_1 var_10 = ~var_10_arg_0; [L56] SORT_1 var_14_arg_0 = var_10; [L57] SORT_1 var_14 = ~var_14_arg_0; [L58] SORT_1 var_15_arg_0 = var_13; [L59] SORT_1 var_15_arg_1 = var_14; [L60] EXPR var_15_arg_0 & var_15_arg_1 [L60] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L61] EXPR var_15 & mask_SORT_1 [L61] var_15 = var_15 & mask_SORT_1 [L62] SORT_1 bad_16_arg_0 = var_15; [L63] CALL __VERIFIER_assert(!(bad_16_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.20ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 79.1MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.53ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 74.7MB in the end (delta: 4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.29ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 72.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 848.18ms. Allocated memory is still 117.4MB. Free memory was 72.6MB in the beginning and 62.8MB in the end (delta: 9.8MB). Peak memory consumption was 47.3MB. Max. memory is 16.1GB. * CodeCheck took 1434.37ms. Allocated memory is still 117.4MB. Free memory was 62.8MB in the beginning and 69.9MB in the end (delta: -7.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.35ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 68.9MB in the end (delta: 918.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:45:23,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/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 64bit --witnessprinter.graph.data.programhash 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:45:26,092 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:45:26,192 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-05 22:45:26,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:45:26,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:45:26,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:45:26,222 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:45:26,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:45:26,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:45:26,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:45:26,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:45:26,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:45:26,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:45:26,224 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:45:26,224 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:45:26,224 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:45:26,224 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:26,224 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:45:26,225 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:45:26,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:26,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:45:26,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:45:26,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:45:26,225 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:45:26,226 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:26,226 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:45:26,226 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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a93b4c325da61bdb0bcf5f7bfce47877e5238073f7401e4883b579f193ca117 [2024-12-05 22:45:26,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:45:26,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:45:26,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:45:26,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:45:26,554 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:45:26,555 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2024-12-05 22:45:29,415 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/13ef9fb7c/9bf6f2d1be8446cb8d607ce18c5a9456/FLAG5c3156c1b [2024-12-05 22:45:29,593 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:45:29,594 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c [2024-12-05 22:45:29,601 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/13ef9fb7c/9bf6f2d1be8446cb8d607ce18c5a9456/FLAG5c3156c1b [2024-12-05 22:45:29,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/data/13ef9fb7c/9bf6f2d1be8446cb8d607ce18c5a9456 [2024-12-05 22:45:29,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:45:29,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:45:29,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:29,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:45:29,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:45:29,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d27583a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29, skipping insertion in model container [2024-12-05 22:45:29,619 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:45:29,750 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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-12-05 22:45:29,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:29,798 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:45:29,805 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_1b5eea16-2a67-4e74-860b-a7dca9d335d6/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.paper_v3.c[1248,1261] [2024-12-05 22:45:29,823 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:45:29,837 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:45:29,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29 WrapperNode [2024-12-05 22:45:29,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:45:29,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:29,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:45:29,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:45:29,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,873 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 107 [2024-12-05 22:45:29,873 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:45:29,874 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:45:29,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:45:29,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:45:29,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,890 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,891 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,894 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,895 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,896 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,898 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:45:29,899 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:45:29,899 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:45:29,899 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:45:29,900 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:45:29" (1/1) ... [2024-12-05 22:45:29,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:45:29,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:45:29,929 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:45:29,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:45:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:45:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:45:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:45:29,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:45:30,024 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:45:30,026 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:45:30,188 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-12-05 22:45:30,188 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:45:30,210 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:45:30,210 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 22:45:30,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:30 BoogieIcfgContainer [2024-12-05 22:45:30,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:45:30,211 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:45:30,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:45:30,219 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:45:30,219 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:45:30" (1/1) ... [2024-12-05 22:45:30,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:45:30,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:30,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-05 22:45:30,258 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-05 22:45:30,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 22:45:30,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:30,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:30,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:30,262 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:30,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:45:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:30,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:30,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-05 22:45:30,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:30,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:30,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:45:30,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:30,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-05 22:45:30,633 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-05 22:45:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 22:45:30,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:30,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:30,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:30,635 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:30,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:45:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:30,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:30,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:30,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-05 22:45:30,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:31,098 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:31,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:45:31,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:31,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2024-12-05 22:45:31,470 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2024-12-05 22:45:31,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 22:45:31,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:31,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:31,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:31,474 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:31,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:45:31,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:31,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:31,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-05 22:45:31,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:32,013 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:32,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:45:32,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 16 states and 23 transitions. [2024-12-05 22:45:32,612 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 23 transitions. [2024-12-05 22:45:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:45:32,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:32,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:32,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:32,614 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:32,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:45:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:32,805 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:32,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:32,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-05 22:45:32,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:33,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-12-05 22:45:34,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:34,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2024-12-05 22:45:34,115 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2024-12-05 22:45:34,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 22:45:34,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:34,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:34,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:34,118 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:34,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:45:34,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:34,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:34,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-05 22:45:34,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:34,937 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:34,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-12-05 22:45:35,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:35,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 24 states and 35 transitions. [2024-12-05 22:45:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 35 transitions. [2024-12-05 22:45:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 22:45:35,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:35,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:35,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:35,738 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:35,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:45:35,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:35,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:36,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:36,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-12-05 22:45:36,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:36,636 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:36,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:45:37,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:37,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2024-12-05 22:45:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2024-12-05 22:45:37,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 22:45:37,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:37,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:37,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:37,726 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:37,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:45:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:37,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:38,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-05 22:45:38,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:38,598 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:38,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:45:39,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:39,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 32 states and 47 transitions. [2024-12-05 22:45:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 47 transitions. [2024-12-05 22:45:39,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 22:45:39,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:39,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:39,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:39,695 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:39,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:45:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:39,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:40,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-05 22:45:40,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:40,673 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:40,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:45:42,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-12-05 22:45:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-12-05 22:45:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-05 22:45:42,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:42,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:42,103 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:42,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:45:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:42,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:42,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:42,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 37 conjuncts are in the unsatisfiable core [2024-12-05 22:45:42,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:43,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:45:44,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:44,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 59 transitions. [2024-12-05 22:45:44,895 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 59 transitions. [2024-12-05 22:45:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-05 22:45:44,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:44,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:44,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:44,899 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:44,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:45:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:45,283 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:45,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-05 22:45:45,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:46,191 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:46,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:45:47,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:47,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 44 states and 65 transitions. [2024-12-05 22:45:47,990 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 65 transitions. [2024-12-05 22:45:47,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-05 22:45:47,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:47,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:47,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:47,992 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:47,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:45:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:48,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:48,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-05 22:45:48,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:49,456 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:49,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:45:51,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 48 states and 71 transitions. [2024-12-05 22:45:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-12-05 22:45:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-05 22:45:51,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:51,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:51,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:51,535 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:51,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:45:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:52,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:52,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-12-05 22:45:52,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:53,035 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:53,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:45:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 52 states and 77 transitions. [2024-12-05 22:45:55,477 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 77 transitions. [2024-12-05 22:45:55,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-05 22:45:55,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:55,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:55,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:55,480 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:55,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:45:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:56,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:45:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:45:56,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-05 22:45:56,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:45:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:45:57,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:45:59,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:45:59,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 56 states and 83 transitions. [2024-12-05 22:45:59,801 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 83 transitions. [2024-12-05 22:45:59,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:45:59,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:45:59,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:45:59,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:45:59,804 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:45:59,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:46:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:00,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:00,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 47 conjuncts are in the unsatisfiable core [2024-12-05 22:46:00,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:01,817 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:01,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:46:04,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:04,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 60 states and 89 transitions. [2024-12-05 22:46:04,762 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 89 transitions. [2024-12-05 22:46:04,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-05 22:46:04,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:04,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:04,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:04,764 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:04,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:46:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:05,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:05,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-12-05 22:46:05,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:06,802 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:06,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:46:09,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:09,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 64 states and 95 transitions. [2024-12-05 22:46:09,819 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2024-12-05 22:46:09,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-05 22:46:09,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:09,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:09,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:09,821 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:09,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:46:10,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:10,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:10,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-05 22:46:10,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:11,368 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:11,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:46:14,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:14,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 68 states and 101 transitions. [2024-12-05 22:46:14,016 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 101 transitions. [2024-12-05 22:46:14,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-05 22:46:14,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:14,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:14,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:14,018 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:14,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:46:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:14,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:14,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:14,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-12-05 22:46:14,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:16,308 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:16,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:46:20,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:20,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 72 states and 107 transitions. [2024-12-05 22:46:20,211 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 107 transitions. [2024-12-05 22:46:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-05 22:46:20,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:20,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:20,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:20,213 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:20,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:46:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:21,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:21,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 55 conjuncts are in the unsatisfiable core [2024-12-05 22:46:21,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:22,726 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:22,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:46:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:25,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 76 states and 113 transitions. [2024-12-05 22:46:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 113 transitions. [2024-12-05 22:46:25,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-05 22:46:25,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:25,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:25,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:25,863 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:25,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:46:26,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:26,558 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:26,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-05 22:46:26,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:27,881 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:27,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:46:32,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:32,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 80 states and 119 transitions. [2024-12-05 22:46:32,511 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 119 transitions. [2024-12-05 22:46:32,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-05 22:46:32,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:32,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:32,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:32,514 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:32,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:46:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:33,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:33,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-12-05 22:46:33,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:35,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:46:39,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:39,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 84 states and 125 transitions. [2024-12-05 22:46:39,245 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 125 transitions. [2024-12-05 22:46:39,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-05 22:46:39,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:39,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:39,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:39,247 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:39,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:46:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:40,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:40,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-12-05 22:46:40,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:41,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:46:45,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:45,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 88 states and 131 transitions. [2024-12-05 22:46:45,336 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 131 transitions. [2024-12-05 22:46:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-05 22:46:45,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:45,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:45,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:45,338 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:45,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:46:46,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:46,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:46,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:46,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-05 22:46:46,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:48,457 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:48,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:46:53,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:46:53,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 92 states and 137 transitions. [2024-12-05 22:46:53,904 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 137 transitions. [2024-12-05 22:46:53,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-12-05 22:46:53,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:46:53,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:46:53,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:46:53,906 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:46:53,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:46:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:54,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:46:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:46:55,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 65 conjuncts are in the unsatisfiable core [2024-12-05 22:46:55,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:46:57,373 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 0 proven. 737 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:46:57,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:47:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 96 states and 143 transitions. [2024-12-05 22:47:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 143 transitions. [2024-12-05 22:47:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-05 22:47:03,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:03,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:03,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:03,205 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:03,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:47:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:04,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:04,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:04,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-12-05 22:47:04,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:06,654 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 0 proven. 805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:06,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:47:12,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:12,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 100 states and 149 transitions. [2024-12-05 22:47:12,769 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 149 transitions. [2024-12-05 22:47:12,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-12-05 22:47:12,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:12,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:12,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:12,771 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:12,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:47:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:14,086 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:14,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-05 22:47:14,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:16,561 INFO L134 CoverageAnalysis]: Checked inductivity of 876 backedges. 0 proven. 876 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:16,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:47:22,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:22,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 104 states and 155 transitions. [2024-12-05 22:47:22,752 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 155 transitions. [2024-12-05 22:47:22,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-12-05 22:47:22,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:22,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:22,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:22,756 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:22,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:47:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:23,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:24,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 71 conjuncts are in the unsatisfiable core [2024-12-05 22:47:24,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:26,744 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:26,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:47:34,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:34,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 108 states and 161 transitions. [2024-12-05 22:47:34,218 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 161 transitions. [2024-12-05 22:47:34,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-12-05 22:47:34,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:34,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:34,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:34,220 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:34,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:47:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:35,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:35,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 73 conjuncts are in the unsatisfiable core [2024-12-05 22:47:35,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:38,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1027 backedges. 0 proven. 1027 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:38,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:47:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:46,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 112 states and 167 transitions. [2024-12-05 22:47:46,411 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 167 transitions. [2024-12-05 22:47:46,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-12-05 22:47:46,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:46,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:46,414 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:46,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:47:47,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:47,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:47:48,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:47:48,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 75 conjuncts are in the unsatisfiable core [2024-12-05 22:47:48,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:47:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1107 backedges. 0 proven. 1107 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:47:50,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 22:47:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:47:59,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 116 states and 173 transitions. [2024-12-05 22:47:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 173 transitions. [2024-12-05 22:47:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-12-05 22:47:59,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:47:59,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:47:59,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:47:59,298 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:47:59,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:48:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:00,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:01,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 77 conjuncts are in the unsatisfiable core [2024-12-05 22:48:01,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:04,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:04,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:48:12,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 120 states and 179 transitions. [2024-12-05 22:48:12,824 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 179 transitions. [2024-12-05 22:48:12,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-12-05 22:48:12,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:12,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:12,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:12,826 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:12,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:48:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:14,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:14,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 79 conjuncts are in the unsatisfiable core [2024-12-05 22:48:14,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:17,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 0 proven. 1276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:17,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:48:26,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:26,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 124 states and 185 transitions. [2024-12-05 22:48:26,066 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 185 transitions. [2024-12-05 22:48:26,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-12-05 22:48:26,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:26,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:26,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:26,068 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:26,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:48:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:27,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:27,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 514 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-12-05 22:48:27,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 0 proven. 1365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:30,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:48:40,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:40,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 128 states and 191 transitions. [2024-12-05 22:48:40,741 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 191 transitions. [2024-12-05 22:48:40,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-05 22:48:40,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:40,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:40,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:40,743 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:40,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:48:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:42,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:43,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:43,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 530 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-05 22:48:43,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:48:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1457 backedges. 0 proven. 1457 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:48:46,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 22:48:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:48:54,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 132 states and 197 transitions. [2024-12-05 22:48:54,151 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 197 transitions. [2024-12-05 22:48:54,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-12-05 22:48:54,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:48:54,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:48:54,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:48:54,154 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:48:54,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:48:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:56,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:48:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:48:56,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 85 conjuncts are in the unsatisfiable core [2024-12-05 22:48:56,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:00,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1552 backedges. 0 proven. 1552 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:49:00,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:49:10,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:10,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 136 states and 203 transitions. [2024-12-05 22:49:10,123 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 203 transitions. [2024-12-05 22:49:10,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-12-05 22:49:10,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:10,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:10,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:10,125 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:10,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:49:11,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:11,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:11,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-12-05 22:49:11,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:14,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 0 proven. 1650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:49:15,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:49:26,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 140 states and 209 transitions. [2024-12-05 22:49:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 209 transitions. [2024-12-05 22:49:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-12-05 22:49:26,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:26,846 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:26,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:49:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:29,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:29,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 89 conjuncts are in the unsatisfiable core [2024-12-05 22:49:29,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:32,718 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 0 proven. 1751 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:49:32,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:49:43,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:49:43,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 144 states and 215 transitions. [2024-12-05 22:49:43,152 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 215 transitions. [2024-12-05 22:49:43,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-12-05 22:49:43,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:49:43,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:49:43,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:49:43,154 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:49:43,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:49:45,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:45,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:49:45,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:49:45,909 INFO L256 TraceCheckSpWp]: Trace formula consists of 594 conjuncts, 91 conjuncts are in the unsatisfiable core [2024-12-05 22:49:45,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:49:49,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1855 backedges. 0 proven. 1855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:49:49,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:50:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:03,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 148 states and 221 transitions. [2024-12-05 22:50:03,348 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 221 transitions. [2024-12-05 22:50:03,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2024-12-05 22:50:03,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:03,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:03,350 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:03,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:50:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:05,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:06,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-12-05 22:50:06,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:10,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1962 backedges. 0 proven. 1962 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:10,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:50:23,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 152 states and 227 transitions. [2024-12-05 22:50:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 227 transitions. [2024-12-05 22:50:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-12-05 22:50:23,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:23,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:23,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:23,703 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:23,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:50:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:26,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:26,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:26,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 95 conjuncts are in the unsatisfiable core [2024-12-05 22:50:26,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:30,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 0 proven. 2072 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:30,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:50:42,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:50:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 156 states and 233 transitions. [2024-12-05 22:50:42,375 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 233 transitions. [2024-12-05 22:50:42,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-12-05 22:50:42,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:50:42,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:50:42,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:50:42,378 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:50:42,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:50:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:44,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:50:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:50:45,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 642 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-12-05 22:50:45,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:50:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2185 backedges. 0 proven. 2185 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:50:49,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:51:00,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:00,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 160 states and 239 transitions. [2024-12-05 22:51:00,626 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 239 transitions. [2024-12-05 22:51:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-05 22:51:00,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:00,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:00,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:00,628 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:00,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:51:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:03,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:03,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 99 conjuncts are in the unsatisfiable core [2024-12-05 22:51:03,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:08,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 22:51:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 164 states and 245 transitions. [2024-12-05 22:51:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 245 transitions. [2024-12-05 22:51:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-12-05 22:51:23,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:23,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:23,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:23,264 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:23,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 22:51:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:26,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:26,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 674 conjuncts, 101 conjuncts are in the unsatisfiable core [2024-12-05 22:51:26,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:30,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2420 backedges. 0 proven. 2420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:30,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 22:51:45,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:51:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 168 states and 251 transitions. [2024-12-05 22:51:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 251 transitions. [2024-12-05 22:51:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-12-05 22:51:45,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:51:45,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:51:45,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:51:45,240 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:51:45,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 22:51:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:47,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:51:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:51:48,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 103 conjuncts are in the unsatisfiable core [2024-12-05 22:51:48,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:51:52,359 INFO L134 CoverageAnalysis]: Checked inductivity of 2542 backedges. 0 proven. 2542 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:51:52,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 22:52:09,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:09,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 172 states and 257 transitions. [2024-12-05 22:52:09,251 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 257 transitions. [2024-12-05 22:52:09,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-05 22:52:09,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:09,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:09,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:09,253 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:09,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 22:52:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:12,339 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:12,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 105 conjuncts are in the unsatisfiable core [2024-12-05 22:52:12,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2667 backedges. 0 proven. 2667 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:17,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 22:52:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:52:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 176 states and 263 transitions. [2024-12-05 22:52:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 263 transitions. [2024-12-05 22:52:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-05 22:52:35,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:52:35,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:52:35,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:52:35,040 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:52:35,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 22:52:38,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:38,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:52:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:52:38,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 107 conjuncts are in the unsatisfiable core [2024-12-05 22:52:38,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:52:43,758 INFO L134 CoverageAnalysis]: Checked inductivity of 2795 backedges. 0 proven. 2795 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:52:43,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 22:53:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:01,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 180 states and 269 transitions. [2024-12-05 22:53:01,989 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 269 transitions. [2024-12-05 22:53:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-12-05 22:53:01,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:01,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:01,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:01,992 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:01,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 22:53:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:05,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:05,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 109 conjuncts are in the unsatisfiable core [2024-12-05 22:53:05,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:11,178 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:53:11,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 22:53:30,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 184 states and 275 transitions. [2024-12-05 22:53:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 275 transitions. [2024-12-05 22:53:30,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-12-05 22:53:30,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:30,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:30,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:30,363 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:30,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 22:53:33,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:33,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:34,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:34,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 111 conjuncts are in the unsatisfiable core [2024-12-05 22:53:34,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 3060 backedges. 0 proven. 3060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:53:39,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 22:53:59,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:59,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 188 states and 281 transitions. [2024-12-05 22:53:59,866 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 281 transitions. [2024-12-05 22:53:59,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-12-05 22:53:59,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:59,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:59,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:59,869 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:59,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 22:54:03,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:03,030 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:03,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 113 conjuncts are in the unsatisfiable core [2024-12-05 22:54:03,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3197 backedges. 0 proven. 3197 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:54:08,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 22:54:29,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:29,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 192 states and 287 transitions. [2024-12-05 22:54:29,080 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 287 transitions. [2024-12-05 22:54:29,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-05 22:54:29,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:29,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:29,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:29,083 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:29,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 22:54:32,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:32,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:33,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 115 conjuncts are in the unsatisfiable core [2024-12-05 22:54:33,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:39,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3337 backedges. 0 proven. 3337 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:54:39,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 22:55:01,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:01,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 196 states and 293 transitions. [2024-12-05 22:55:01,045 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 293 transitions. [2024-12-05 22:55:01,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-12-05 22:55:01,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:01,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:01,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:01,048 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:01,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 22:55:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:04,733 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:05,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 802 conjuncts, 117 conjuncts are in the unsatisfiable core [2024-12-05 22:55:05,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 3480 backedges. 0 proven. 3480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:55:11,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 22:55:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 200 states and 299 transitions. [2024-12-05 22:55:31,448 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 299 transitions. [2024-12-05 22:55:31,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-12-05 22:55:31,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:31,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:31,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:31,451 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:31,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 22:55:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:35,632 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:36,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 818 conjuncts, 119 conjuncts are in the unsatisfiable core [2024-12-05 22:55:36,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:42,537 INFO L134 CoverageAnalysis]: Checked inductivity of 3626 backedges. 0 proven. 3626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:55:42,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-05 22:56:02,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:02,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 204 states and 305 transitions. [2024-12-05 22:56:02,821 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 305 transitions. [2024-12-05 22:56:02,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2024-12-05 22:56:02,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:02,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:02,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:02,823 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:02,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 22:56:05,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:05,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:06,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 834 conjuncts, 121 conjuncts are in the unsatisfiable core [2024-12-05 22:56:06,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3775 backedges. 0 proven. 3775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:56:11,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 22:56:30,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:30,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 208 states and 311 transitions. [2024-12-05 22:56:30,949 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 311 transitions. [2024-12-05 22:56:30,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-12-05 22:56:30,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:30,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:30,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:30,951 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:30,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 22:56:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:35,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:35,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 850 conjuncts, 123 conjuncts are in the unsatisfiable core [2024-12-05 22:56:35,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3927 backedges. 0 proven. 3927 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:56:42,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-05 22:57:07,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:07,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 212 states and 317 transitions. [2024-12-05 22:57:07,663 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 317 transitions. [2024-12-05 22:57:07,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-12-05 22:57:07,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:07,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:07,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:07,666 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:07,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 22:57:11,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:11,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:12,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 866 conjuncts, 125 conjuncts are in the unsatisfiable core [2024-12-05 22:57:12,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:19,340 INFO L134 CoverageAnalysis]: Checked inductivity of 4082 backedges. 0 proven. 4082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:57:19,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-05 22:57:45,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:45,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 216 states and 323 transitions. [2024-12-05 22:57:45,549 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 323 transitions. [2024-12-05 22:57:45,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-12-05 22:57:45,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:45,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:45,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:45,551 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:45,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 22:57:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:49,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:49,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 882 conjuncts, 127 conjuncts are in the unsatisfiable core [2024-12-05 22:57:49,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:54,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4240 backedges. 0 proven. 4240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:57:54,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-05 22:58:13,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:13,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 220 states and 329 transitions. [2024-12-05 22:58:13,523 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 329 transitions. [2024-12-05 22:58:13,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2024-12-05 22:58:13,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:13,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:13,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:13,527 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:13,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 22:58:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:18,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:18,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 129 conjuncts are in the unsatisfiable core [2024-12-05 22:58:18,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:26,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4401 backedges. 0 proven. 4401 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:58:26,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-05 22:58:47,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 224 states and 335 transitions. [2024-12-05 22:58:47,432 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 335 transitions. [2024-12-05 22:58:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-05 22:58:47,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:47,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:47,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:47,434 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:47,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 22:58:51,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:51,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:51,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 914 conjuncts, 131 conjuncts are in the unsatisfiable core [2024-12-05 22:58:51,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:56,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4565 backedges. 0 proven. 4565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:58:56,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 22:59:16,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:16,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 228 states and 341 transitions. [2024-12-05 22:59:16,045 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 341 transitions. [2024-12-05 22:59:16,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-12-05 22:59:16,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:16,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:16,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:16,047 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:16,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 22:59:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:19,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:20,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 133 conjuncts are in the unsatisfiable core [2024-12-05 22:59:20,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4732 backedges. 0 proven. 4732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:59:25,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-05 22:59:45,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:45,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 232 states and 347 transitions. [2024-12-05 22:59:45,486 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 347 transitions. [2024-12-05 22:59:45,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-12-05 22:59:45,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:45,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:45,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:45,488 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:45,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 22:59:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:49,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:49,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 135 conjuncts are in the unsatisfiable core [2024-12-05 22:59:49,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:55,169 INFO L134 CoverageAnalysis]: Checked inductivity of 4902 backedges. 0 proven. 4902 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:59:55,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1b5eea16-2a67-4e74-860b-a7dca9d335d6/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0