./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.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_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/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_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/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_07493b57-680f-469b-a7fb-ee39dfd32f1a/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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:22:17,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:22:17,810 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Default.epf [2024-12-06 03:22:17,814 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:22:17,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:22:17,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:22:17,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:22:17,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:22:17,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:22:17,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:22:17,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:22:17,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:22:17,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:22:17,835 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:22:17,835 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:22:17,835 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:22:17,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:22:17,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:22:17,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:22:17,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:22:17,836 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:22:17,836 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:22:17,836 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:22:17,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:22:17,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:17,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:22:17,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:22:17,837 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:22:17,837 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:22:17,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:22:17,837 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_07493b57-680f-469b-a7fb-ee39dfd32f1a/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 -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2024-12-06 03:22:18,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:22:18,081 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:22:18,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:22:18,084 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:22:18,084 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:22:18,085 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-12-06 03:22:20,674 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/6e8c88a5e/527b954edb6c4923b6c797c6aaf86c11/FLAG9239095db [2024-12-06 03:22:20,885 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:22:20,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-12-06 03:22:20,893 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/6e8c88a5e/527b954edb6c4923b6c797c6aaf86c11/FLAG9239095db [2024-12-06 03:22:21,257 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/6e8c88a5e/527b954edb6c4923b6c797c6aaf86c11 [2024-12-06 03:22:21,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:22:21,260 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:22:21,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:21,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:22:21,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:22:21,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2a7b44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21, skipping insertion in model container [2024-12-06 03:22:21,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,282 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:22:21,404 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_07493b57-680f-469b-a7fb-ee39dfd32f1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-12-06 03:22:21,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:21,448 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:22:21,459 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_07493b57-680f-469b-a7fb-ee39dfd32f1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-12-06 03:22:21,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:21,498 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:22:21,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21 WrapperNode [2024-12-06 03:22:21,499 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:21,500 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:21,500 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:22:21,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:22:21,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,515 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,551 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 218 [2024-12-06 03:22:21,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:21,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:22:21,552 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:22:21,552 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:22:21,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,560 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,564 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,564 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,574 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,577 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,581 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,587 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,593 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:22:21,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:22:21,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:22:21,594 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:22:21,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:21" (1/1) ... [2024-12-06 03:22:21,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:21,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:22:21,624 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:22:21,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:22:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:22:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:22:21,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:22:21,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:22:21,719 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:22:21,721 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:22:22,093 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2024-12-06 03:22:22,093 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:22:22,282 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:22:22,282 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:22:22,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:22 BoogieIcfgContainer [2024-12-06 03:22:22,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:22:22,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:22:22,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:22:22,290 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:22:22,290 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:22" (1/1) ... [2024-12-06 03:22:22,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:22:22,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:22:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:22:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:22:22,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:22,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:22:22,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:22,469 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:22:22,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:22,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:22,600 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 03:22:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 03:22:22,649 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 03:22:22,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:22:22 ImpRootNode [2024-12-06 03:22:22,667 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:22:22,668 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:22:22,668 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:22:22,668 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:22:22,669 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:22" (3/4) ... [2024-12-06 03:22:22,671 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 03:22:22,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:22:22,672 INFO L158 Benchmark]: Toolchain (without parser) took 1411.83ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 63.3MB in the end (delta: 54.0MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-12-06 03:22:22,673 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:22:22,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 238.32ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 103.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:22:22,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.52ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 98.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:22:22,674 INFO L158 Benchmark]: Boogie Preprocessor took 41.49ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:22:22,674 INFO L158 Benchmark]: RCFGBuilder took 688.33ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 87.8MB in the end (delta: 8.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2024-12-06 03:22:22,675 INFO L158 Benchmark]: CodeCheck took 384.73ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 63.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:22:22,675 INFO L158 Benchmark]: Witness Printer took 3.38ms. Allocated memory is still 142.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:22:22,677 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: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 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 bitwiseAnd at line 68, overapproximation of bitwiseAnd at line 48. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 5); [L30] const SORT_4 msb_SORT_4 = (SORT_4)1 << (5 - 1); [L32] const SORT_8 mask_SORT_8 = (SORT_8)-1 >> (sizeof(SORT_8) * 8 - 4); [L33] const SORT_8 msb_SORT_8 = (SORT_8)1 << (4 - 1); [L35] const SORT_4 var_5 = 1; [L36] const SORT_8 var_9 = 2; [L37] const SORT_1 var_15 = 1; [L38] const SORT_4 var_19 = 5; [L39] const SORT_4 var_22 = 7; [L40] const SORT_4 var_26 = 11; [L41] const SORT_4 var_29 = 3; [L42] const SORT_8 var_30 = 1; [L43] const SORT_8 var_37 = 5; [L45] SORT_1 input_2; [L46] SORT_1 input_3; [L48] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L48] SORT_4 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L49] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L49] SORT_4 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L50] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L50] SORT_4 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L51] EXPR __VERIFIER_nondet_uchar() & mask_SORT_4 [L51] SORT_4 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] SORT_4 init_7_arg_1 = var_5; [L54] state_6 = init_7_arg_1 [L55] SORT_4 init_21_arg_1 = var_19; [L56] state_20 = init_21_arg_1 [L57] SORT_4 init_24_arg_1 = var_22; [L58] state_23 = init_24_arg_1 [L59] SORT_4 init_28_arg_1 = var_26; [L60] state_27 = init_28_arg_1 VAL [mask_SORT_1=1, mask_SORT_4=31, mask_SORT_8=15, state_20=5, state_23=7, state_27=11, state_6=1, var_15=1, var_19=5, var_22=7, var_29=3, var_30=1, var_37=5, var_9=2] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L67] SORT_8 var_10_arg_0 = var_9; [L68] EXPR var_10_arg_0 & mask_SORT_8 [L68] var_10_arg_0 = var_10_arg_0 & mask_SORT_8 [L69] SORT_4 var_10 = var_10_arg_0; [L70] SORT_4 var_11_arg_0 = state_6; [L71] SORT_4 var_11_arg_1 = var_10; [L72] SORT_1 var_11 = var_11_arg_0 == var_11_arg_1; [L73] SORT_1 var_12_arg_0 = var_11; [L74] SORT_1 var_12 = ~var_12_arg_0; [L75] SORT_1 var_16_arg_0 = var_12; [L76] SORT_1 var_16 = ~var_16_arg_0; [L77] SORT_1 var_17_arg_0 = var_15; [L78] SORT_1 var_17_arg_1 = var_16; [L79] EXPR var_17_arg_0 & var_17_arg_1 [L79] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L80] EXPR var_17 & mask_SORT_1 [L80] var_17 = var_17 & mask_SORT_1 [L81] SORT_1 bad_18_arg_0 = var_17; [L82] CALL __VERIFIER_assert(!(bad_18_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 0.25ms. Allocated memory is still 142.6MB. Free memory was 83.4MB in the beginning and 83.3MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 238.32ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 103.7MB in the end (delta: 13.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.52ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 98.8MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.49ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 688.33ms. Allocated memory is still 142.6MB. Free memory was 96.7MB in the beginning and 87.8MB in the end (delta: 8.9MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * CodeCheck took 384.73ms. Allocated memory is still 142.6MB. Free memory was 87.8MB in the beginning and 63.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.38ms. Allocated memory is still 142.6MB. Free memory is still 63.3MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 03:22:22,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/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_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/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_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/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_07493b57-680f-469b-a7fb-ee39dfd32f1a/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 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:22:24,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:22:24,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-64bit-Kojak_Bitvector.epf [2024-12-06 03:22:24,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:22:24,763 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:22:24,763 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:22:24,763 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:22:24,763 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:22:24,764 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:22:24,764 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:22:24,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:22:24,765 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:24,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:22:24,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:22:24,766 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:22:24,766 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:24,766 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:22:24,766 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_07493b57-680f-469b-a7fb-ee39dfd32f1a/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 -> 5d158962260c30d804a065123fd6610d4547bfb1f0024709f9d294e632350d48 [2024-12-06 03:22:24,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:22:24,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:22:25,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:22:25,002 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:22:25,002 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:22:25,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-12-06 03:22:27,669 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/f459355be/cfe6db1b57424983a8bbf447dc3d025b/FLAGb7344c9c5 [2024-12-06 03:22:27,857 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:22:27,857 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c [2024-12-06 03:22:27,866 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/f459355be/cfe6db1b57424983a8bbf447dc3d025b/FLAGb7344c9c5 [2024-12-06 03:22:28,219 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/data/f459355be/cfe6db1b57424983a8bbf447dc3d025b [2024-12-06 03:22:28,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:22:28,222 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:22:28,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:28,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:22:28,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:22:28,226 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,227 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b800365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28, skipping insertion in model container [2024-12-06 03:22:28,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,240 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:22:28,358 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_07493b57-680f-469b-a7fb-ee39dfd32f1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-12-06 03:22:28,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:28,400 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:22:28,407 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_07493b57-680f-469b-a7fb-ee39dfd32f1a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.synabs.c[1246,1259] [2024-12-06 03:22:28,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:22:28,436 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:22:28,436 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28 WrapperNode [2024-12-06 03:22:28,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:22:28,437 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:28,437 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:22:28,437 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:22:28,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,466 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 122 [2024-12-06 03:22:28,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:22:28,467 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:22:28,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:22:28,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:22:28,473 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,473 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,475 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:22:28,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:22:28,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:22:28,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:22:28,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:22:28,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:22:28,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:22:28,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:22:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:22:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:22:28,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:22:28,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:22:28,621 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:22:28,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:22:28,785 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 03:22:28,786 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:22:28,812 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:22:28,812 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:22:28,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:28 BoogieIcfgContainer [2024-12-06 03:22:28,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:22:28,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:22:28,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:22:28,821 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:22:28,821 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:22:28" (1/1) ... [2024-12-06 03:22:28,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:22:28,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:28,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2024-12-06 03:22:28,860 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2024-12-06 03:22:28,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 03:22:28,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:28,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:28,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:28,865 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:28,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:22:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:28,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:28,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 03:22:29,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:29,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:29,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:22:29,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:29,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 8 states and 10 transitions. [2024-12-06 03:22:29,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 10 transitions. [2024-12-06 03:22:29,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 03:22:29,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:29,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:29,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:29,278 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:29,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:22:29,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:29,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:29,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:29,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 03:22:29,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:29,770 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:29,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:22:30,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 12 states and 19 transitions. [2024-12-06 03:22:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 19 transitions. [2024-12-06 03:22:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 03:22:30,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:30,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:30,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:30,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:30,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:22:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:30,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:30,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 03:22:30,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:30,951 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:30,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:22:32,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 19 states and 35 transitions. [2024-12-06 03:22:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 35 transitions. [2024-12-06 03:22:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:22:32,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:32,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:32,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:32,381 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:32,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 03:22:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:32,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:32,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:22:32,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:33,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 03:22:35,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:35,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 58 transitions. [2024-12-06 03:22:35,355 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 58 transitions. [2024-12-06 03:22:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 03:22:35,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:35,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:35,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:35,357 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:35,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 03:22:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:35,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:35,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 03:22:35,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:36,113 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:22:36,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 03:22:36,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:36,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 30 states and 59 transitions. [2024-12-06 03:22:36,474 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 59 transitions. [2024-12-06 03:22:36,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 03:22:36,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:36,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:36,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:36,476 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:36,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 03:22:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:36,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:36,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:36,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 03:22:36,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:38,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 03:22:45,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:45,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 46 states and 109 transitions. [2024-12-06 03:22:45,261 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 109 transitions. [2024-12-06 03:22:45,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:22:45,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:45,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:45,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:45,263 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:45,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 03:22:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:45,468 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:45,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:22:45,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:47,022 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:47,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 03:22:52,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:52,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 56 states and 137 transitions. [2024-12-06 03:22:52,927 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 137 transitions. [2024-12-06 03:22:52,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:22:52,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:52,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:52,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:52,929 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:52,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 03:22:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:53,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:53,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:53,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:22:53,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:53,759 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:53,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 03:22:55,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 59 states and 142 transitions. [2024-12-06 03:22:55,547 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 142 transitions. [2024-12-06 03:22:55,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:22:55,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:55,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:55,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:55,550 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:55,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 03:22:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:55,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:55,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:22:55,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:56,470 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:22:56,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 03:22:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 60 states and 143 transitions. [2024-12-06 03:22:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 143 transitions. [2024-12-06 03:22:57,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 03:22:57,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:57,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:57,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:57,371 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:57,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 03:22:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:57,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:57,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:57,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-12-06 03:22:57,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:22:58,269 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-12-06 03:22:58,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 03:22:58,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:22:58,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 61 states and 144 transitions. [2024-12-06 03:22:58,735 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 144 transitions. [2024-12-06 03:22:58,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:22:58,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:22:58,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:22:58,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:22:58,738 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:22:58,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 03:22:59,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:59,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:22:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:22:59,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:22:59,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:01,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 03:23:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:09,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 71 states and 196 transitions. [2024-12-06 03:23:09,852 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 196 transitions. [2024-12-06 03:23:09,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:23:09,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:09,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:09,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:09,855 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:09,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 03:23:10,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:10,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:10,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:10,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:23:10,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:11,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 03:23:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:13,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 74 states and 199 transitions. [2024-12-06 03:23:13,237 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 199 transitions. [2024-12-06 03:23:13,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-06 03:23:13,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:13,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:13,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:13,240 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:13,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 03:23:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:13,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:13,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 03:23:13,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:14,879 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:14,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 03:23:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 75 states and 199 transitions. [2024-12-06 03:23:15,611 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 199 transitions. [2024-12-06 03:23:15,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:23:15,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:15,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:15,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:15,613 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:15,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 03:23:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:15,940 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:16,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:23:16,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:18,834 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:18,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 03:23:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 85 states and 244 transitions. [2024-12-06 03:23:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 244 transitions. [2024-12-06 03:23:29,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:23:29,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:29,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:29,239 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:29,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 03:23:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:29,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:29,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:23:29,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:30,424 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:30,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 03:23:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:33,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 88 states and 251 transitions. [2024-12-06 03:23:33,125 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 251 transitions. [2024-12-06 03:23:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:23:33,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:33,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:33,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:33,127 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:33,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 03:23:33,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:33,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:33,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:33,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:23:33,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:34,355 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:34,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 03:23:35,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:35,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 89 states and 254 transitions. [2024-12-06 03:23:35,407 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 254 transitions. [2024-12-06 03:23:35,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:23:35,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:35,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:35,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:35,409 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:35,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 03:23:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:35,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:35,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:35,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:23:35,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:36,706 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:23:36,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 03:23:41,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:41,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 95 states and 277 transitions. [2024-12-06 03:23:41,882 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 277 transitions. [2024-12-06 03:23:41,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-12-06 03:23:41,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:41,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:41,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:41,884 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:41,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 03:23:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:42,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:42,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-12-06 03:23:42,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:43,286 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-06 03:23:43,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 03:23:43,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:23:43,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 96 states and 278 transitions. [2024-12-06 03:23:43,965 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 278 transitions. [2024-12-06 03:23:43,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:23:43,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:23:43,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:23:43,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:23:43,967 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:23:43,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 03:23:44,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:44,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:23:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:23:44,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 03:23:44,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:23:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:23:47,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 03:24:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:01,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 106 states and 342 transitions. [2024-12-06 03:24:01,686 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 342 transitions. [2024-12-06 03:24:01,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:24:01,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:01,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:01,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:01,688 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:01,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 03:24:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:02,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:02,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 03:24:02,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:04,032 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:04,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 03:24:07,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:07,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 110 states and 349 transitions. [2024-12-06 03:24:07,910 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 349 transitions. [2024-12-06 03:24:07,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:24:07,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:07,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:07,912 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:07,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 03:24:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:08,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:08,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:08,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 03:24:08,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:10,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 03:24:16,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:16,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 116 states and 369 transitions. [2024-12-06 03:24:16,189 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 369 transitions. [2024-12-06 03:24:16,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:24:16,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:16,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:16,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:16,191 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:16,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 03:24:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:16,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:16,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 03:24:16,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:18,577 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:18,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 03:24:22,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:22,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 120 states and 383 transitions. [2024-12-06 03:24:22,304 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 383 transitions. [2024-12-06 03:24:22,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-12-06 03:24:22,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:22,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:22,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:22,306 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:22,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 03:24:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:22,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:22,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 36 conjuncts are in the unsatisfiable core [2024-12-06 03:24:22,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:24,709 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:24,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 03:24:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:25,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 121 states and 383 transitions. [2024-12-06 03:24:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 383 transitions. [2024-12-06 03:24:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:24:25,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:25,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:25,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:25,967 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:25,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 03:24:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:26,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:26,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:26,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:24:26,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:28,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 03:24:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 132 states and 426 transitions. [2024-12-06 03:24:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 426 transitions. [2024-12-06 03:24:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:24:44,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:44,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:44,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:44,019 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:44,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 03:24:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:44,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:44,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:24:44,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:45,865 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:45,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 03:24:50,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:50,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 136 states and 433 transitions. [2024-12-06 03:24:50,079 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 433 transitions. [2024-12-06 03:24:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:24:50,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:50,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:50,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:50,081 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:50,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 03:24:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:50,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:50,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:24:50,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:51,776 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:51,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 03:24:54,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:24:54,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 138 states and 436 transitions. [2024-12-06 03:24:54,300 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 436 transitions. [2024-12-06 03:24:54,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:24:54,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:24:54,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:24:54,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:24:54,302 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:24:54,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 03:24:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:54,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:24:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:24:55,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:24:55,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:24:56,039 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:24:56,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 03:25:04,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:04,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 144 states and 456 transitions. [2024-12-06 03:25:04,473 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 456 transitions. [2024-12-06 03:25:04,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:25:04,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:04,475 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:04,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 03:25:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:05,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:05,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:25:05,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:25:06,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 03:25:07,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 145 states and 456 transitions. [2024-12-06 03:25:07,617 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 456 transitions. [2024-12-06 03:25:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-12-06 03:25:07,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:07,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:07,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:07,619 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:07,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 03:25:08,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:08,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:08,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:08,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 51 conjuncts are in the unsatisfiable core [2024-12-06 03:25:08,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:25:09,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 03:25:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 146 states and 458 transitions. [2024-12-06 03:25:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 458 transitions. [2024-12-06 03:25:11,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-06 03:25:11,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:11,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:11,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:11,376 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:11,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 03:25:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:12,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:12,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-12-06 03:25:12,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:13,487 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 198 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-12-06 03:25:13,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 03:25:18,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:18,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 466 states to 149 states and 466 transitions. [2024-12-06 03:25:18,792 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 466 transitions. [2024-12-06 03:25:18,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:25:18,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:18,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:18,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:18,794 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:18,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 03:25:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:19,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:19,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:19,817 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:25:19,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:24,104 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:25:24,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 03:25:49,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:49,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 166 states and 537 transitions. [2024-12-06 03:25:49,905 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 537 transitions. [2024-12-06 03:25:49,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:25:49,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:49,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:49,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:49,908 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:49,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 03:25:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:50,773 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:50,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:25:50,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:25:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:25:53,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 03:25:57,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:25:57,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 169 states and 541 transitions. [2024-12-06 03:25:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 541 transitions. [2024-12-06 03:25:57,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:25:57,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:25:57,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:25:57,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:25:57,597 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:25:57,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 03:25:58,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:58,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:25:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:25:58,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:25:58,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:01,046 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:01,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 03:26:06,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 172 states and 546 transitions. [2024-12-06 03:26:06,105 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 546 transitions. [2024-12-06 03:26:06,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:26:06,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:06,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:06,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:06,107 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:06,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 03:26:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:07,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:07,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:07,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:26:07,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:09,591 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:09,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-06 03:26:15,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 176 states and 560 transitions. [2024-12-06 03:26:15,628 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 560 transitions. [2024-12-06 03:26:15,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:26:15,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:15,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:15,630 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:15,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 03:26:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:16,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:16,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:26:16,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:19,159 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:19,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 03:26:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:24,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 179 states and 573 transitions. [2024-12-06 03:26:24,549 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 573 transitions. [2024-12-06 03:26:24,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:26:24,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:24,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:24,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:24,551 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:24,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 03:26:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:25,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:25,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:25,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:26:25,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:27,969 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:27,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 03:26:29,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 180 states and 573 transitions. [2024-12-06 03:26:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 573 transitions. [2024-12-06 03:26:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-12-06 03:26:29,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:29,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:29,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:29,779 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:29,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 03:26:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:30,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:30,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-06 03:26:30,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:33,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 03:26:34,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:26:34,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 181 states and 573 transitions. [2024-12-06 03:26:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 573 transitions. [2024-12-06 03:26:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:26:34,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:26:34,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:26:34,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:26:34,585 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:26:34,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 03:26:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:35,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:26:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:26:35,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 03:26:35,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:26:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:26:38,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 03:27:01,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:01,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 193 states and 617 transitions. [2024-12-06 03:27:01,935 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 617 transitions. [2024-12-06 03:27:01,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:27:01,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:01,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:01,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:01,937 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:01,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 03:27:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:02,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:03,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 03:27:03,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:04,393 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:04,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 03:27:14,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:14,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 199 states and 633 transitions. [2024-12-06 03:27:14,900 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 633 transitions. [2024-12-06 03:27:14,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:27:14,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:14,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:14,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:14,902 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:14,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 03:27:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:15,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:16,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 03:27:16,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:17,505 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:17,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 03:27:27,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:27,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 205 states and 642 transitions. [2024-12-06 03:27:27,438 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 642 transitions. [2024-12-06 03:27:27,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:27:27,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:27,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:27,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:27,440 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:27,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 03:27:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:28,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:28,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 03:27:28,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:29,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 03:27:33,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:33,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 207 states and 644 transitions. [2024-12-06 03:27:33,132 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 644 transitions. [2024-12-06 03:27:33,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 03:27:33,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:33,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:33,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:33,134 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:33,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 03:27:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:34,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:34,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:34,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 57 conjuncts are in the unsatisfiable core [2024-12-06 03:27:34,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:27:35,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 03:27:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 210 states and 647 transitions. [2024-12-06 03:27:40,750 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 647 transitions. [2024-12-06 03:27:40,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:27:40,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:40,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:40,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:40,752 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:40,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 03:27:41,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:41,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:42,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 03:27:42,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:43,599 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 03:27:43,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 03:27:51,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:51,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 215 states and 664 transitions. [2024-12-06 03:27:51,077 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 664 transitions. [2024-12-06 03:27:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:27:51,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:51,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:51,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:51,078 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:51,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 03:27:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:52,254 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:52,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 03:27:52,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 03:27:53,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-12-06 03:27:55,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:27:55,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 668 states to 216 states and 668 transitions. [2024-12-06 03:27:55,599 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 668 transitions. [2024-12-06 03:27:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:27:55,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:27:55,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:27:55,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:27:55,601 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:27:55,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 03:27:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:56,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:27:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:27:57,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 03:27:57,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:27:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 03:27:58,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 03:28:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:00,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 217 states and 669 transitions. [2024-12-06 03:28:00,681 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 669 transitions. [2024-12-06 03:28:00,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:28:00,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:00,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:00,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:00,682 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 03:28:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:02,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:02,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 03:28:02,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:03,587 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 03:28:03,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 03:28:11,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:11,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 222 states and 685 transitions. [2024-12-06 03:28:11,373 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 685 transitions. [2024-12-06 03:28:11,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 03:28:11,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:11,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:11,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:11,375 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:11,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 03:28:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:12,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:12,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 03:28:12,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:14,288 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-12-06 03:28:14,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 03:28:16,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:28:16,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 223 states and 686 transitions. [2024-12-06 03:28:16,578 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 686 transitions. [2024-12-06 03:28:16,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:28:16,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:28:16,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:28:16,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:28:16,580 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:28:16,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 03:28:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:17,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:28:18,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:28:18,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 03:28:18,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:28:24,076 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:28:24,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 03:29:01,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:01,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 239 states and 782 transitions. [2024-12-06 03:29:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 782 transitions. [2024-12-06 03:29:01,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:29:01,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:01,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:01,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:01,428 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:01,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 03:29:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:02,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:02,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:02,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 03:29:02,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:06,052 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:06,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 03:29:25,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 251 states and 818 transitions. [2024-12-06 03:29:25,704 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 818 transitions. [2024-12-06 03:29:25,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:29:25,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:25,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:25,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:25,706 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:25,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 03:29:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:27,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:27,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 03:29:27,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:30,404 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:30,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-12-06 03:29:44,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:29:44,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 257 states and 834 transitions. [2024-12-06 03:29:44,586 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 834 transitions. [2024-12-06 03:29:44,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:29:44,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:29:44,587 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:29:44,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:29:44,588 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:29:44,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 03:29:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:46,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:29:46,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:29:46,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 03:29:46,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:29:49,488 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:29:49,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-06 03:30:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 263 states and 842 transitions. [2024-12-06 03:30:03,546 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 842 transitions. [2024-12-06 03:30:03,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-12-06 03:30:03,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:03,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:30:03,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:30:03,548 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:30:03,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 03:30:05,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:05,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:30:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:05,331 INFO L256 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-12-06 03:30:05,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:08,625 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:30:08,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 03:30:10,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:10,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 264 states and 842 transitions. [2024-12-06 03:30:10,657 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 842 transitions. [2024-12-06 03:30:10,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 03:30:10,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:10,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:30:10,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:30:10,659 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:30:10,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 03:30:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:12,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:30:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:12,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 66 conjuncts are in the unsatisfiable core [2024-12-06 03:30:12,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:30:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:30:16,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 03:30:55,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:30:55,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 926 states to 277 states and 926 transitions. [2024-12-06 03:30:55,010 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 926 transitions. [2024-12-06 03:30:55,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 03:30:55,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:30:55,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:30:55,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:30:55,012 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:30:55,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 03:30:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:56,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:30:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:30:56,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 03:30:56,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:01,292 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:01,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 03:31:28,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 962 states to 286 states and 962 transitions. [2024-12-06 03:31:28,629 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 962 transitions. [2024-12-06 03:31:28,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 03:31:28,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:28,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:28,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:28,631 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:28,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 03:31:30,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:30,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:30,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:30,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 03:31:30,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:32,362 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:32,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 03:31:45,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:45,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 292 states and 972 transitions. [2024-12-06 03:31:45,553 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 972 transitions. [2024-12-06 03:31:45,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 03:31:45,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:45,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:45,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:45,554 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:45,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 03:31:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:47,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:47,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 03:31:47,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:48,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 03:31:55,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:31:55,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 975 states to 295 states and 975 transitions. [2024-12-06 03:31:55,688 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 975 transitions. [2024-12-06 03:31:55,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 03:31:55,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:31:55,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:31:55,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:31:55,690 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:31:55,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 03:31:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:57,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:31:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:31:57,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 03:31:57,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:31:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:31:59,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 03:32:01,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:01,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 296 states and 978 transitions. [2024-12-06 03:32:01,779 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 978 transitions. [2024-12-06 03:32:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-12-06 03:32:01,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:01,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:01,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:01,781 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:01,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 03:32:03,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:03,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:03,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:03,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 63 conjuncts are in the unsatisfiable core [2024-12-06 03:32:03,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:05,345 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:32:05,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 03:32:20,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:20,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 302 states and 994 transitions. [2024-12-06 03:32:20,042 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 994 transitions. [2024-12-06 03:32:20,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:32:20,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:20,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:20,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:20,044 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:20,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 03:32:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:21,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:21,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:32:21,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:23,651 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:32:23,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 03:32:25,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 303 states and 995 transitions. [2024-12-06 03:32:25,900 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 995 transitions. [2024-12-06 03:32:25,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:32:25,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:25,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:25,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:25,902 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:25,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 03:32:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:27,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:27,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:27,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:32:27,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:32:29,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 03:32:35,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:35,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 306 states and 1002 transitions. [2024-12-06 03:32:35,444 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 1002 transitions. [2024-12-06 03:32:35,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:32:35,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:35,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:35,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:35,446 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:35,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 03:32:37,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:37,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:37,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:32:37,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:32:39,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 03:32:45,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:45,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 309 states and 1010 transitions. [2024-12-06 03:32:45,321 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 1010 transitions. [2024-12-06 03:32:45,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:32:45,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:45,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:45,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:45,323 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:45,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 03:32:47,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:47,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:47,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:32:47,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:32:49,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 03:32:51,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:32:51,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 310 states and 1019 transitions. [2024-12-06 03:32:51,965 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 1019 transitions. [2024-12-06 03:32:51,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:32:51,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:32:51,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:32:51,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:32:51,967 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:32:51,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 03:32:53,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:53,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:32:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:32:53,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:32:53,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:32:55,791 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:32:55,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 03:33:00,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1022 states to 312 states and 1022 transitions. [2024-12-06 03:33:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 1022 transitions. [2024-12-06 03:33:00,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:33:00,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:00,063 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:00,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:00,064 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:00,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 03:33:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:02,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:02,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:33:02,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:04,043 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:33:04,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 03:33:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1026 states to 313 states and 1026 transitions. [2024-12-06 03:33:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 1026 transitions. [2024-12-06 03:33:06,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:33:06,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:06,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:06,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:06,453 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:06,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 03:33:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:08,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:08,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:33:08,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:10,239 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:33:10,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 03:33:21,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 318 states and 1044 transitions. [2024-12-06 03:33:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 1044 transitions. [2024-12-06 03:33:21,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-12-06 03:33:21,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:21,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:21,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:21,977 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:21,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 03:33:24,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:24,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:24,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 44 conjuncts are in the unsatisfiable core [2024-12-06 03:33:24,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:25,891 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 0 proven. 404 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-12-06 03:33:25,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 03:33:29,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:29,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 319 states and 1045 transitions. [2024-12-06 03:33:29,449 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 1045 transitions. [2024-12-06 03:33:29,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:33:29,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:29,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:33:29,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:33:29,451 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:33:29,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 03:33:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:31,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:33:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:31,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:33:31,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:33:40,256 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:40,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 03:34:27,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:27,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1135 states to 331 states and 1135 transitions. [2024-12-06 03:34:27,569 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 1135 transitions. [2024-12-06 03:34:27,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:34:27,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:27,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:34:27,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:34:27,571 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:34:27,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 03:34:29,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:29,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:34:29,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:29,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:34:29,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:34,145 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:34:34,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 03:34:43,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:34:43,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 334 states and 1139 transitions. [2024-12-06 03:34:43,585 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 1139 transitions. [2024-12-06 03:34:43,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:34:43,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:34:43,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:34:43,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:34:43,587 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:34:43,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 03:34:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:45,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:34:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:34:45,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:34:45,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:34:50,373 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:34:50,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 03:35:30,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:30,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1199 states to 349 states and 1199 transitions. [2024-12-06 03:35:30,347 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 1199 transitions. [2024-12-06 03:35:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:35:30,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:30,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:30,348 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:30,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 03:35:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:32,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:32,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:35:32,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:37,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 03:35:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:40,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 350 states and 1201 transitions. [2024-12-06 03:35:40,251 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 1201 transitions. [2024-12-06 03:35:40,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:35:40,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:40,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:40,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:40,253 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:40,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 03:35:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:42,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:35:42,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:35:42,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:35:42,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:35:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:35:47,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 03:35:58,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:35:58,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 353 states and 1215 transitions. [2024-12-06 03:35:58,716 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 1215 transitions. [2024-12-06 03:35:58,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:35:58,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:35:58,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:35:58,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:35:58,718 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:35:58,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 03:36:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:00,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:01,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:36:01,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:05,519 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:05,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 03:36:14,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 356 states and 1228 transitions. [2024-12-06 03:36:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 1228 transitions. [2024-12-06 03:36:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-12-06 03:36:14,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:14,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:36:14,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:36:14,704 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:36:14,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 03:36:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:17,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:17,196 INFO L256 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 45 conjuncts are in the unsatisfiable core [2024-12-06 03:36:17,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 610 backedges. 0 proven. 610 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:21,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 03:36:31,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:36:31,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 359 states and 1243 transitions. [2024-12-06 03:36:31,752 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 1243 transitions. [2024-12-06 03:36:31,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 03:36:31,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:36:31,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:36:31,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:36:31,754 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:36:31,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 03:36:34,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:34,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:36:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:36:34,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-06 03:36:34,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:36:40,051 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:36:40,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 03:37:04,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:37:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 365 states and 1266 transitions. [2024-12-06 03:37:04,422 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 1266 transitions. [2024-12-06 03:37:04,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-12-06 03:37:04,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:37:04,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:37:04,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:37:04,424 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:37:04,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 03:37:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:07,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:37:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:37:07,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 69 conjuncts are in the unsatisfiable core [2024-12-06 03:37:07,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:37:09,205 INFO L134 CoverageAnalysis]: Checked inductivity of 672 backedges. 0 proven. 672 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:37:09,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07493b57-680f-469b-a7fb-ee39dfd32f1a/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0