./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:53:28,821 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:53:28,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:53:28,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:53:28,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:53:28,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:53:28,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:53:28,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:53:28,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:53:28,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:53:28,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:53:28,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:53:28,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:53:28,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:53:28,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:53:28,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:53:28,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:53:28,911 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:53:28,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:53:28,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:53:28,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:53:28,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:53:28,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:53:28,912 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:53:28,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:53:28,912 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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2024-12-05 22:53:29,131 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:53:29,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:53:29,140 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:53:29,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:53:29,142 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:53:29,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-12-05 22:53:31,813 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/73c249f7b/93a332e1f8d24030b7d99a9de577093c/FLAG87d9a4316 [2024-12-05 22:53:31,994 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:53:31,994 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-12-05 22:53:32,001 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/73c249f7b/93a332e1f8d24030b7d99a9de577093c/FLAG87d9a4316 [2024-12-05 22:53:32,014 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/73c249f7b/93a332e1f8d24030b7d99a9de577093c [2024-12-05 22:53:32,017 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:53:32,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:53:32,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:53:32,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:53:32,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:53:32,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e8f5676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32, skipping insertion in model container [2024-12-05 22:53:32,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:53:32,140 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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-12-05 22:53:32,172 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:53:32,182 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:53:32,190 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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-12-05 22:53:32,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:53:32,216 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:53:32,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32 WrapperNode [2024-12-05 22:53:32,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:53:32,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:53:32,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:53:32,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:53:32,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,251 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-12-05 22:53:32,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:53:32,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:53:32,252 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:53:32,252 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:53:32,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,258 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,265 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,271 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:53:32,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:53:32,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:53:32,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:53:32,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:53:32,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:53:32,302 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:53:32,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:53:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:53:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:53:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:53:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:53:32,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:53:32,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:53:32,377 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:53:32,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:53:32,565 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-05 22:53:32,565 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:53:32,695 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:53:32,695 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:53:32,696 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:32 BoogieIcfgContainer [2024-12-05 22:53:32,696 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:53:32,696 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:53:32,696 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:53:32,704 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:53:32,704 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:32" (1/1) ... [2024-12-05 22:53:32,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:53:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:32,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-05 22:53:32,750 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-05 22:53:32,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:32,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:32,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:53:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:53:32,955 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:53:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:53:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:53:33,130 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 22:53:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 22:53:33,195 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 22:53:33,233 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:53:33 ImpRootNode [2024-12-05 22:53:33,233 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:53:33,234 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:53:33,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:53:33,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:53:33,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:32" (3/4) ... [2024-12-05 22:53:33,237 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 22:53:33,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:53:33,238 INFO L158 Benchmark]: Toolchain (without parser) took 1220.30ms. Allocated memory is still 142.6MB. Free memory was 116.0MB in the beginning and 96.1MB in the end (delta: 19.8MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2024-12-05 22:53:33,239 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:53:33,239 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.25ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 103.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:53:33,239 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.74ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:53:33,240 INFO L158 Benchmark]: Boogie Preprocessor took 21.65ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:53:33,240 INFO L158 Benchmark]: RCFGBuilder took 421.47ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 72.2MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:53:33,241 INFO L158 Benchmark]: CodeCheck took 537.10ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 96.2MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:53:33,241 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 96.1MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:53:33,243 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, 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, 43 NumberOfCodeBlocks, 43 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L87] FCALL updateLastVariables() [L88] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=-2] [L88] RET updateVariables() [L89] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 [L40] COND TRUE (- (var_1_17 + var_1_17)) > var_1_17 [L41] var_1_11 = var_1_12 [L43] var_1_16 = var_1_19 [L44] EXPR var_1_16 | var_1_19 [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 [L89] RET step() [L90] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=2, var_1_18=2, var_1_19=-2, var_1_1=-127, var_1_20=-2] [L19] reach_error() VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2, var_1_17=2, var_1_18=2, var_1_19=-2, var_1_1=-127, var_1_20=-2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 84.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.25ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 103.8MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.74ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 102.0MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.65ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 421.47ms. Allocated memory is still 142.6MB. Free memory was 100.9MB in the beginning and 72.2MB in the end (delta: 28.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 537.10ms. Allocated memory is still 142.6MB. Free memory was 72.2MB in the beginning and 96.2MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 96.1MB in the end (delta: 15.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 22:53:33,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:53:35,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:53:35,279 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 22:53:35,302 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:53:35,303 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:53:35,303 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:53:35,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:53:35,304 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:53:35,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:53:35,305 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:53:35,305 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:53:35,306 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:53:35,306 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:35,306 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 22:53:35,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:53:35,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:53:35,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:53:35,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:53:35,306 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:53:35,306 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 22:53:35,307 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:35,307 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 22:53:35,307 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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2024-12-05 22:53:35,530 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:53:35,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:53:35,540 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:53:35,541 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:53:35,542 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:53:35,543 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-12-05 22:53:38,248 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/cf34ff350/f7c2beee6411431694ebeaabca0d6538/FLAG092c1b83a [2024-12-05 22:53:38,442 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:53:38,443 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-12-05 22:53:38,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/cf34ff350/f7c2beee6411431694ebeaabca0d6538/FLAG092c1b83a [2024-12-05 22:53:38,792 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/data/cf34ff350/f7c2beee6411431694ebeaabca0d6538 [2024-12-05 22:53:38,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:53:38,795 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:53:38,796 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:53:38,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:53:38,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:53:38,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:38" (1/1) ... [2024-12-05 22:53:38,802 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c2820ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:38, skipping insertion in model container [2024-12-05 22:53:38,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:53:38" (1/1) ... [2024-12-05 22:53:38,816 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:53:38,932 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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-12-05 22:53:38,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:53:38,969 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:53:38,977 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_b56cf6d9-2255-4c9d-9967-fb6a311f5594/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-12-05 22:53:38,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:53:39,006 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:53:39,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39 WrapperNode [2024-12-05 22:53:39,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:53:39,008 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:53:39,008 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:53:39,008 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:53:39,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,034 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-12-05 22:53:39,035 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:53:39,035 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:53:39,035 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:53:39,035 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:53:39,042 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,042 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,050 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,050 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,053 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,056 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:53:39,056 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:53:39,056 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:53:39,057 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:53:39,057 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:53:39,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:53:39,085 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:53:39,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:53:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:53:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 22:53:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 22:53:39,107 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 22:53:39,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:53:39,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:53:39,166 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:53:39,167 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:53:39,402 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 22:53:39,402 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:53:39,489 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:53:39,489 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:53:39,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:39 BoogieIcfgContainer [2024-12-05 22:53:39,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:53:39,490 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:53:39,490 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:53:39,500 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:53:39,500 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:53:39" (1/1) ... [2024-12-05 22:53:39,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:53:39,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:39,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-12-05 22:53:39,545 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-12-05 22:53:39,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:39,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:39,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:39,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:39,552 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:39,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 22:53:39,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:39,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:39,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:53:39,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:53:42,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 22:53:43,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:43,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2024-12-05 22:53:43,494 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2024-12-05 22:53:43,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:43,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:43,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:43,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:43,498 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:43,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 22:53:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:43,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:43,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:53:43,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:46,239 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:53:46,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 22:53:47,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 96 transitions. [2024-12-05 22:53:47,269 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2024-12-05 22:53:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:47,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:47,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:47,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:47,273 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:47,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 22:53:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:47,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:47,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:53:47,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:49,094 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:53:49,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 22:53:49,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 50 states and 96 transitions. [2024-12-05 22:53:49,114 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 96 transitions. [2024-12-05 22:53:49,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:49,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:49,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:49,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:49,117 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:49,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 22:53:49,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:49,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:49,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:53:49,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:51,000 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:53:51,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 22:53:52,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:53:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:53:52,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:52,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:52,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:52,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:52,713 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:52,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 22:53:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:52,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:52,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:53:52,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:53:54,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 22:53:54,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:54,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:53:54,693 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:53:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:54,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:54,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:54,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:54,697 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:54,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 22:53:54,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:54,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:55,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:53:55,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:53:56,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 22:53:57,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:57,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:53:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:53:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:57,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:57,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:57,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:57,500 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:57,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 22:53:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:57,729 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:57,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:53:57,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:53:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:53:59,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 22:53:59,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:53:59,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:53:59,434 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:53:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:53:59,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:53:59,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:53:59,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:53:59,437 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:53:59,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 22:53:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:59,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:53:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:53:59,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:53:59,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:03,150 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:03,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 22:54:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:54:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:54:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:03,203 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:03,203 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:03,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:03,205 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:03,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 22:54:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:03,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:03,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:03,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:04,703 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:04,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 22:54:04,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:04,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:54:04,950 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:54:04,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:04,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:04,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:04,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:04,952 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:04,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 22:54:05,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:05,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:05,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:05,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:07,332 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:07,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 22:54:07,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:07,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:54:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:54:07,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:07,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:07,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:07,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:07,358 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:07,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 22:54:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:07,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:07,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:54:07,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:54:09,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 22:54:09,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:09,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 68 states and 174 transitions. [2024-12-05 22:54:09,503 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 174 transitions. [2024-12-05 22:54:09,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:09,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:09,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:09,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:09,506 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:09,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 22:54:09,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:09,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:09,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:09,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:11,793 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:11,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 22:54:12,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:12,194 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:12,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:12,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:12,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:12,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:12,196 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:12,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 22:54:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:12,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:12,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:12,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:13,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:13,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 22:54:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:13,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:13,872 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:13,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:13,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:13,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:13,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:13,875 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:13,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 22:54:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:14,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:14,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:14,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:14,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:15,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 22:54:15,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:15,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:15,746 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:15,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:15,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:15,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:15,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:15,748 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:15,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 22:54:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:15,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:16,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:16,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:17,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 22:54:17,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:17,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:17,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:17,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:17,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:17,627 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:17,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 22:54:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:17,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:17,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:17,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:19,047 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:19,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 22:54:19,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:19,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:19,308 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:19,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:19,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:19,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:19,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:19,310 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:19,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 22:54:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:19,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:19,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:19,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:21,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 22:54:21,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:21,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:21,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:21,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:21,666 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:21,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 22:54:21,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:21,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:21,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:21,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:21,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:23,240 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:23,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 22:54:23,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:23,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:23,529 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:23,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:23,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:23,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:23,531 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:23,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 22:54:23,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:23,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:23,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:23,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:54:23,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:28,487 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:54:28,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 22:54:28,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:28,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:28,655 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:28,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:28,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:28,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:28,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:28,657 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:28,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 22:54:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:28,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:28,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:28,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:30,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 22:54:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:30,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:30,614 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:30,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:30,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:30,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:30,616 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:30,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 22:54:30,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:30,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:30,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:30,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:32,289 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:32,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 22:54:32,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:32,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:32,305 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:32,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:32,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:32,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:32,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:32,308 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:32,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 22:54:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:32,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:32,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:32,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:33,690 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:33,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 22:54:33,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:33,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:33,955 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:33,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:33,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:33,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:33,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:33,957 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:33,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 22:54:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:34,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:34,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:34,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:34,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:35,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 22:54:35,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:35,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:35,754 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:35,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:35,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:35,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:35,756 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:35,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 22:54:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:35,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:36,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:36,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:37,453 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:37,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 22:54:37,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:37,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 76 states and 177 transitions. [2024-12-05 22:54:37,469 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 177 transitions. [2024-12-05 22:54:37,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:37,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:37,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:37,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:37,470 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:37,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 22:54:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:37,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:37,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:54:37,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:39,242 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:54:39,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 22:54:40,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:40,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:40,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:40,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:40,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:40,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:40,432 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:40,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 22:54:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:40,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:40,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:40,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:40,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:42,079 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:42,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 22:54:42,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:42,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:42,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:42,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:42,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:42,383 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:42,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 22:54:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:42,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:42,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:42,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:42,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:44,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-05 22:54:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:44,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:44,427 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:44,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:44,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:44,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:44,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:44,429 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:44,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 22:54:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:44,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:44,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:44,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:46,689 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:46,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-12-05 22:54:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:46,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:46,905 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:46,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:46,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:46,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:46,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:46,907 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:46,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 22:54:47,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:47,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:47,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:47,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:48,650 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:48,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 22:54:48,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:48,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:48,857 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:48,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:48,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:48,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:48,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:48,859 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:48,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 22:54:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:49,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:49,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:49,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:50,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 22:54:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:50,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:50,513 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:50,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:50,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:50,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:50,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:50,515 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:50,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 22:54:50,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:50,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:50,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:50,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:52,253 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:52,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 22:54:52,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:52,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:52,269 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:52,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:52,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:52,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:52,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:52,271 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:52,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 22:54:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:52,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:52,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:52,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:52,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:53,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-12-05 22:54:53,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:53,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 78 states and 195 transitions. [2024-12-05 22:54:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 195 transitions. [2024-12-05 22:54:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:53,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:53,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:53,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:53,958 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:53,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 22:54:54,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:54,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:54,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:54:54,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:54:56,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 22:54:57,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:57,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:54:57,060 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:54:57,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:57,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:57,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:57,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:57,062 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:57,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 22:54:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:57,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:57,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:54:57,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:54:58,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:54:58,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 22:54:58,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:54:58,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:54:58,933 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:54:58,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:54:58,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:54:58,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:54:58,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:54:58,935 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:54:58,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 22:54:59,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:59,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:54:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:54:59,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:54:59,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:00,648 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:00,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 22:55:00,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:00,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:00,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:00,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:00,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:00,872 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:00,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 22:55:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:01,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:01,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:01,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:03,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:03,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 22:55:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:03,652 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:03,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:03,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:03,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:03,654 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:03,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 22:55:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:03,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:03,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:03,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:05,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-05 22:55:05,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:05,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:05,280 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:05,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:05,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:05,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:05,282 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:05,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 22:55:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:05,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:05,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:05,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:06,745 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:06,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 22:55:06,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:06,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:06,763 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:06,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:06,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:06,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:06,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:06,765 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:06,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 22:55:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:06,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:07,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:07,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:08,644 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:08,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 22:55:08,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:08,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:08,855 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:08,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:08,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:08,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:08,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:08,857 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:08,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 22:55:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:09,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:09,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:09,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:09,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:10,882 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:10,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-12-05 22:55:11,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:11,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:11,135 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:11,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:11,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:11,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:11,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:11,137 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:11,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 22:55:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:11,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:11,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:11,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:12,974 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:12,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 22:55:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:12,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:12,989 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:12,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:12,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:12,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:12,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:12,991 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:12,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 22:55:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:13,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:13,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:13,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:13,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:14,734 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:14,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 22:55:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:14,984 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:14,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:14,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:14,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:14,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:14,986 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:14,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 22:55:15,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:15,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:15,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:55:15,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:16,755 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:16,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 22:55:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:17,032 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:17,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:17,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:17,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:17,034 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:17,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 22:55:17,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:17,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:17,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:55:17,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:19,444 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:55:19,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 22:55:19,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:19,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:19,632 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:19,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:19,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:19,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:19,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:19,634 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:19,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 22:55:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:19,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:19,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:19,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:21,196 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:21,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 22:55:21,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:21,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:21,212 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:21,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:21,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:21,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:21,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:21,214 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:21,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 22:55:21,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:21,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:21,471 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:55:21,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:22,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 22:55:22,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:22,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:22,991 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:22,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:22,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:22,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:22,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:22,993 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:22,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 22:55:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:23,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:23,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:23,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:25,418 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:25,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 22:55:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:25,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:25,438 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:25,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:25,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:25,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:25,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:25,440 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:25,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 22:55:25,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:25,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:25,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:25,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:27,663 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 22:55:27,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:27,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:27,906 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:27,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:27,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:27,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:27,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:27,908 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:27,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 22:55:28,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:28,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:28,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:28,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:29,806 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:29,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 22:55:29,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:29,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:29,826 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:29,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:29,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:29,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:29,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:29,829 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:29,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 22:55:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:30,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:30,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:30,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:30,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:32,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-12-05 22:55:32,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:32,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:32,378 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:32,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:32,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:32,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:32,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:32,380 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:32,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 22:55:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:32,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:32,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:32,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:34,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 22:55:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:34,310 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:34,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:34,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:34,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:34,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:34,312 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:34,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 22:55:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:34,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:34,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:34,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:36,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:36,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-12-05 22:55:36,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:36,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:36,367 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:36,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:36,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:36,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:36,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:36,369 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:36,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 22:55:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:36,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:36,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:36,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:38,759 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:38,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-05 22:55:38,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:38,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:38,774 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:38,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:38,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:38,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:38,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:38,776 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:38,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 22:55:39,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:39,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:39,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:39,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:39,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:40,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-05 22:55:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:41,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:41,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:41,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:41,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:41,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:41,062 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:41,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 22:55:41,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:41,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:41,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:41,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:43,542 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:43,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-12-05 22:55:43,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:43,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:43,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:43,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:43,569 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:43,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 22:55:43,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:43,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:43,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:55:43,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:55:46,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 22:55:46,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:46,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:46,940 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:46,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:46,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:46,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:46,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:46,943 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:46,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 22:55:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:47,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:47,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:55:47,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:48,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-05 22:55:49,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:49,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:49,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:49,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:49,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:49,039 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:49,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 22:55:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:49,353 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:49,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:49,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:51,430 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:51,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-05 22:55:51,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:51,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:51,768 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:51,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:51,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:51,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:51,771 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:51,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-05 22:55:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:52,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:52,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:55:52,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:53,579 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:53,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-12-05 22:55:53,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:53,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:53,667 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:53,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:53,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:53,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:53,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:53,669 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:53,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-05 22:55:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:53,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:53,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:53,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:55,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-05 22:55:55,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:55,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:55,705 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:55,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:55,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:55,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:55,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:55,707 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:55,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-05 22:55:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:55,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:56,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:56,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:56,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:57,733 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:57,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-05 22:55:57,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:57,938 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:57,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:57,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:57,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:57,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:57,940 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:57,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-05 22:55:58,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:58,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:55:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:55:58,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:55:58,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:55:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:55:59,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-05 22:55:59,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:55:59,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:55:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:55:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:55:59,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:55:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:55:59,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:55:59,980 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:55:59,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-05 22:56:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:00,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:00,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:56:00,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:01,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-05 22:56:01,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:01,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:01,976 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:01,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:01,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:01,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:01,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:01,978 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:01,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-05 22:56:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:02,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:02,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:02,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:02,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:03,461 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:03,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-05 22:56:03,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:03,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:03,709 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:03,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:03,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:03,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:03,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:03,711 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:03,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-05 22:56:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:03,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:03,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:56:04,000 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:05,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-12-05 22:56:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:05,786 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:05,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:05,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:05,787 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:05,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-05 22:56:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:06,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:06,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:06,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:06,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:07,417 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:07,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-12-05 22:56:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:07,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:07,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:07,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:07,605 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:07,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-05 22:56:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:07,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:07,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:56:07,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:09,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:09,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-05 22:56:09,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:09,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:09,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:09,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:09,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:09,286 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:09,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-05 22:56:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:09,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:09,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:09,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:56:09,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:11,448 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:11,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-05 22:56:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:11,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:11,482 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:11,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:11,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:11,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:11,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:11,484 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:11,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-05 22:56:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:11,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:11,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:11,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:13,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-05 22:56:13,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:13,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:13,738 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:13,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:13,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:13,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:13,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:13,739 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:13,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-05 22:56:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:13,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:14,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:14,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:15,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-05 22:56:15,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:15,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:15,453 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:15,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:15,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:15,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:15,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:15,455 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:15,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-05 22:56:15,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:15,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:15,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:56:15,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:17,265 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:17,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-05 22:56:17,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:17,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:17,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:17,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:17,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:17,302 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:17,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-05 22:56:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:17,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:17,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:17,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:19,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-05 22:56:19,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:19,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:19,078 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:19,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:19,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:19,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:19,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:19,080 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:19,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-05 22:56:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:19,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:19,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:19,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:21,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-05 22:56:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:21,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:21,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:21,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:21,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:21,238 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:21,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-05 22:56:21,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:21,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:21,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:21,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:24,647 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:24,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-05 22:56:24,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:24,878 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:24,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:24,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:24,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:24,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:24,880 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:24,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-05 22:56:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:25,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:25,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:25,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:27,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-05 22:56:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:27,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:27,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:27,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:27,645 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:27,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-05 22:56:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:27,874 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:27,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:56:27,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:29,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-05 22:56:29,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:29,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:29,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:29,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:29,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:29,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:29,142 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:29,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-05 22:56:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:29,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:29,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:29,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:31,161 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:31,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-05 22:56:31,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:31,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:31,255 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:31,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:31,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:31,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:31,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:31,257 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:31,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-05 22:56:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:31,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:31,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:31,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:33,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:33,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-05 22:56:33,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:33,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:33,075 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:33,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:33,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:33,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:33,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:33,077 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:33,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-05 22:56:33,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:33,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:33,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:33,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:34,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-05 22:56:34,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:34,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:34,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:34,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:34,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:34,838 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:34,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-05 22:56:35,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:35,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:35,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:35,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:36,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-12-05 22:56:36,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:36,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:36,448 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:36,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:36,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:36,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:36,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:36,450 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:36,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-05 22:56:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:36,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:36,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:36,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:38,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:38,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-12-05 22:56:38,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:38,349 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:38,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:38,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:38,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:38,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:38,351 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:38,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-05 22:56:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:38,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:38,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:56:38,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:40,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-05 22:56:40,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:40,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:40,249 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:40,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:40,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:40,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:40,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:40,251 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:40,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-05 22:56:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:40,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:40,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:40,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:41,949 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:41,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-12-05 22:56:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:41,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:41,968 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:41,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:41,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:41,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:41,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:41,970 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:41,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-05 22:56:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:42,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:42,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:42,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:42,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:43,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:43,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-05 22:56:43,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:43,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:43,961 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:43,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:43,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:43,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:43,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:43,963 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:43,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-05 22:56:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:44,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:44,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:56:44,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:45,304 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:56:45,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-05 22:56:45,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:45,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:45,473 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:45,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:45,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:45,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:45,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:45,475 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:45,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-05 22:56:45,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:45,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:45,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:45,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:45,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:47,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-05 22:56:47,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:47,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:47,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:47,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:47,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:47,105 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:47,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-05 22:56:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:47,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:47,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:47,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:47,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:48,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-05 22:56:48,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:48,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:48,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:48,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:48,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:48,878 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:48,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-05 22:56:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:49,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:49,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:49,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:50,380 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:50,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-05 22:56:50,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:50,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:50,625 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:50,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:50,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:50,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:50,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:50,627 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:50,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-05 22:56:50,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:50,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:50,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:50,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:52,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-12-05 22:56:52,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:52,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:52,434 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:52,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:52,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:52,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:52,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:52,436 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:52,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-05 22:56:52,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:52,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:52,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:52,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:52,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:54,057 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:54,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-05 22:56:54,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:54,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:54,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:54,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:54,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:54,096 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:54,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-05 22:56:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:54,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:54,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:54,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:55,659 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:55,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-05 22:56:55,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:55,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:55,849 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:55,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:55,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:55,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:55,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:55,851 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:55,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-05 22:56:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:56,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:56,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:56,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:57,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:57,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-05 22:56:57,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:57,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:57,787 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:57,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:57,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:57,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:57,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:57,789 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:57,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-05 22:56:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:58,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:58,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:56:58,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:56:59,221 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:56:59,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-05 22:56:59,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:56:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:56:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:56:59,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:56:59,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:56:59,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:56:59,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:56:59,482 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:56:59,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-05 22:56:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:59,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:56:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:56:59,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:56:59,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:01,290 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:01,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-12-05 22:57:01,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:01,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:01,509 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:01,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:01,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:01,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:01,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:01,511 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:01,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-05 22:57:01,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:01,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:01,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:01,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:03,172 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:03,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-12-05 22:57:03,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:03,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:03,372 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:03,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:03,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:03,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:03,374 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:03,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-05 22:57:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:03,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:03,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:03,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:05,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:05,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-05 22:57:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:05,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:05,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:05,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:05,169 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:05,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-05 22:57:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:05,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:05,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:05,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:06,944 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:06,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-05 22:57:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:06,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:06,960 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:06,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:06,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:06,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:06,962 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:06,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-05 22:57:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:07,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:07,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:07,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:09,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-12-05 22:57:09,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:09,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:09,384 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:09,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:09,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:09,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:09,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:09,386 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:09,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-05 22:57:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:09,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:09,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:09,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:09,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:11,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-05 22:57:11,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:11,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:11,770 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:11,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:11,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:11,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:11,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:11,771 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:11,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-05 22:57:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:11,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:12,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:57:12,048 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:13,278 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:13,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-05 22:57:13,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:13,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:13,520 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:13,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:13,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:13,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:13,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:13,522 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:13,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-05 22:57:13,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:13,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:13,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:57:13,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:14,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-05 22:57:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:15,189 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:15,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:15,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:15,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:15,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:15,191 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:15,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-05 22:57:15,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:15,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:15,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:15,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:57:15,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:17,125 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:17,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-05 22:57:17,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:17,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:17,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:17,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:17,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:17,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:17,135 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:17,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-05 22:57:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:17,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:17,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:17,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:18,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-05 22:57:18,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:18,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:18,900 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:18,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:18,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:18,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:18,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:18,901 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:18,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-05 22:57:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:19,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:19,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:57:19,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:21,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:21,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-05 22:57:21,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:21,573 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:21,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:21,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:21,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:21,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:21,575 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:21,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-05 22:57:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:21,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:21,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:57:21,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:22,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-05 22:57:23,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:23,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:23,235 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:23,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:23,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:23,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:23,236 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:23,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-05 22:57:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:23,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:23,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:23,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:24,820 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:24,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-05 22:57:25,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:25,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:25,006 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:25,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:25,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:25,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:25,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:25,007 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:25,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-05 22:57:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:25,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:25,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:25,253 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:57:25,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:27,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:27,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-05 22:57:27,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:27,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:27,033 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:27,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:27,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:27,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:27,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:27,035 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:27,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-05 22:57:27,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:27,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:27,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:27,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:57:27,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:28,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-05 22:57:28,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:28,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:28,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:28,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:28,691 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:28,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-05 22:57:28,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:28,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:28,970 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:28,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:30,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-05 22:57:30,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:30,609 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:30,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:30,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:30,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:30,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:30,611 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:30,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-05 22:57:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:30,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:30,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:30,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:32,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-12-05 22:57:32,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:32,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:32,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:32,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:32,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:32,556 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:32,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-05 22:57:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:32,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:32,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:57:32,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:33,961 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:33,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-05 22:57:33,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:33,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:33,989 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:33,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:33,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:33,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:33,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:33,991 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:33,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-05 22:57:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:34,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:34,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:34,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:34,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:36,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:36,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-05 22:57:36,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:36,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:36,356 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:36,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:36,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:36,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:36,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:36,357 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:36,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-05 22:57:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:36,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:36,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:36,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:57:36,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:37,832 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:37,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-05 22:57:38,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:38,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:38,103 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:38,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:38,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:38,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:38,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:38,104 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:38,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-05 22:57:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:38,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:38,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:57:38,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:40,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:40,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-05 22:57:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:40,275 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:40,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:40,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:40,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:40,277 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:40,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-05 22:57:40,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:40,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:40,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:57:40,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:41,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-05 22:57:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:41,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:41,972 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:41,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:41,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:41,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:41,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:41,973 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:41,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-05 22:57:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:42,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:42,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:42,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:42,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:43,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-12-05 22:57:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:44,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:44,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:44,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:44,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:44,042 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:44,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-05 22:57:44,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:44,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:44,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:44,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:45,642 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:45,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-05 22:57:45,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:45,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:45,846 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:45,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:45,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:45,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:45,847 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:45,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-05 22:57:46,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:46,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:46,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:57:46,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:47,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-05 22:57:47,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:47,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:47,836 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:47,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:47,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:47,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:47,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:47,838 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:47,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-05 22:57:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:48,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:48,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:57:48,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:49,325 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:49,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-05 22:57:49,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:49,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 80 states and 213 transitions. [2024-12-05 22:57:49,489 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 213 transitions. [2024-12-05 22:57:49,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:49,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:49,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:49,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:49,491 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:49,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-05 22:57:49,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:49,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:49,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:57:49,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:51,199 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:51,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-05 22:57:52,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:57:52,600 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:57:52,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:52,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:52,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:52,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:52,601 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:52,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-05 22:57:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:52,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:52,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:52,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:54,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-05 22:57:54,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:54,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:57:54,625 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:57:54,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:54,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:54,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:54,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:54,627 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:54,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-05 22:57:54,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:54,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:54,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:57:54,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:56,423 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:56,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-05 22:57:56,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:56,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:57:56,619 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:57:56,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:56,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:56,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:56,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:56,621 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:56,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-05 22:57:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:56,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:56,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:57:56,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:57:58,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-05 22:57:58,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:58,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:57:58,055 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:57:58,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:58,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:58,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:58,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:58,057 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:58,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-05 22:57:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:58,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:57:58,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:57:58,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:57:58,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:57:59,653 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:57:59,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-05 22:57:59,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:57:59,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:57:59,863 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:57:59,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:57:59,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:57:59,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:57:59,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:57:59,865 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:57:59,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-05 22:58:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:00,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:00,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:00,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:00,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:01,730 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:01,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-05 22:58:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:01,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:01,928 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:01,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:01,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:01,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:01,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:01,929 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:01,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-05 22:58:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:02,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:02,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:02,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:02,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:04,045 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:04,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-05 22:58:04,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:04,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:04,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:04,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:04,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:04,258 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:04,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-05 22:58:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:04,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:04,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:58:04,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:06,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-05 22:58:06,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:06,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:06,128 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:06,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:06,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:06,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:06,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:06,130 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:06,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-05 22:58:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:06,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:06,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:58:06,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:07,570 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:07,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-05 22:58:07,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:07,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:07,785 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:07,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:07,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:07,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:07,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:07,786 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:07,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-05 22:58:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:08,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:08,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:58:08,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:09,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-05 22:58:09,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:09,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:09,663 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:09,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:09,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:09,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:09,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:09,664 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:09,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-05 22:58:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:09,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:09,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:09,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:11,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-05 22:58:11,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:11,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:11,322 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:11,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:11,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:11,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:11,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:11,324 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:11,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-05 22:58:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:11,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:11,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:11,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:11,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:12,912 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:12,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-05 22:58:13,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:13,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:13,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:13,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:13,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:13,120 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:13,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-05 22:58:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:13,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:13,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:13,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:14,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-05 22:58:14,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:14,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:14,677 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:14,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:14,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:14,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:14,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:14,678 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:14,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-05 22:58:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:14,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:14,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:14,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:14,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:16,140 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:16,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-05 22:58:16,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:16,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:16,389 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:16,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:16,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:16,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:16,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:16,391 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:16,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-05 22:58:16,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:16,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:16,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:16,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:18,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-05 22:58:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:18,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:18,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:18,505 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:18,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-05 22:58:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:18,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:18,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:18,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:20,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-05 22:58:20,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:20,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:20,367 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:20,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:20,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:20,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:20,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:20,369 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:20,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-05 22:58:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:20,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:20,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:58:20,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:22,090 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:22,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-05 22:58:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:22,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:22,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:22,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:22,103 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:22,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-05 22:58:22,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:22,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:22,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:22,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:23,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:23,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-05 22:58:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:23,641 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:23,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:23,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:23,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:23,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:23,643 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:23,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-05 22:58:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:23,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:23,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:58:23,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:25,383 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:25,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-05 22:58:25,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:25,394 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:25,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:25,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:25,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:25,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:25,395 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:25,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-05 22:58:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:25,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:25,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:25,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:26,747 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:26,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-05 22:58:26,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:26,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:26,999 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:27,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:27,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:27,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:27,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:27,001 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:27,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-05 22:58:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:27,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:27,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:27,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:27,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:28,676 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:28,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-12-05 22:58:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:28,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:28,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:28,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:28,905 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:28,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-05 22:58:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:29,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:29,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:29,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:30,319 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:30,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-05 22:58:30,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:30,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:30,597 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:30,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:30,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:30,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:30,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:30,599 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:30,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-05 22:58:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:30,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:30,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:30,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:32,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-05 22:58:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:32,302 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:32,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:32,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:32,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:32,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:32,304 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:32,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-05 22:58:32,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:32,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:32,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:32,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:32,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:34,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-05 22:58:34,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:34,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:34,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:34,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:34,995 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:34,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-05 22:58:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:35,216 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:35,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:58:35,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:36,825 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:36,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Forceful destruction successful, exit code 0 [2024-12-05 22:58:36,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:36,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:36,890 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:36,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:36,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:36,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:36,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:36,892 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:36,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-05 22:58:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:37,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:37,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:37,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:38,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-05 22:58:38,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:38,532 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:38,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:38,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:38,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:38,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:38,534 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:38,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-05 22:58:38,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:38,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:38,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:38,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:40,434 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:40,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-12-05 22:58:40,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:40,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:40,450 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:40,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:40,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:40,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:40,451 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:40,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-05 22:58:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:40,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:40,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:40,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:41,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:41,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-05 22:58:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:41,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:41,935 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:41,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:41,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:41,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:41,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:41,937 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:41,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-05 22:58:42,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:42,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:42,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:58:42,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:43,419 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:43,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-05 22:58:43,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:43,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:43,449 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:43,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:43,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:43,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:43,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:43,450 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:43,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-05 22:58:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:43,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:43,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:43,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:45,027 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:45,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-05 22:58:45,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:45,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:45,046 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:45,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:45,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:45,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:45,048 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:45,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-05 22:58:45,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:45,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:45,311 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:45,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:46,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:46,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-05 22:58:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:46,711 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:46,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:46,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:46,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:46,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:46,712 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:46,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-05 22:58:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:46,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:46,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:58:46,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:48,986 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:58:48,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-05 22:58:49,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:49,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:49,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:49,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:49,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:49,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:49,039 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:49,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-05 22:58:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:49,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:49,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:49,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:50,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-05 22:58:50,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:50,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:50,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:50,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:50,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:50,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:50,928 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:50,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-05 22:58:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:51,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:51,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:51,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:58:51,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:52,314 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:52,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-05 22:58:52,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:52,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:52,561 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:52,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:52,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:52,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:52,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:52,562 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:52,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-05 22:58:52,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:52,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:52,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:52,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:54,201 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:54,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-12-05 22:58:54,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:54,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:54,220 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:54,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:54,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:54,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:54,222 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:54,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-05 22:58:54,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:54,447 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:54,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:54,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:56,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-12-05 22:58:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:56,220 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:56,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:56,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:56,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:56,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:56,222 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:56,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-05 22:58:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:56,441 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:56,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:56,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:58:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:58:57,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-05 22:58:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:58:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:58:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:58:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:58:58,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:58:58,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:58:58,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:58:58,201 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:58:58,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-05 22:58:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:58,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:58:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:58:58,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:58:58,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:00,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-05 22:59:00,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:00,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:00,439 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:00,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:00,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:00,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:00,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:00,441 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:00,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-05 22:59:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:00,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:00,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:59:00,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:01,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-05 22:59:02,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:02,087 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:02,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:02,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:02,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:02,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:02,089 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:02,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-05 22:59:02,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:02,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:02,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:02,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:05,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:05,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-05 22:59:05,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:05,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:05,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:05,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:05,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:05,205 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:05,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-05 22:59:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:05,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:05,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:05,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:59:05,459 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:06,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:06,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-05 22:59:06,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:06,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:06,828 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:06,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:06,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:06,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:06,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:06,829 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:06,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-05 22:59:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:07,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:07,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:07,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:09,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:09,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-05 22:59:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:09,685 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:09,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:09,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:09,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:09,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:09,687 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:09,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-05 22:59:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:09,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:09,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:09,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:09,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:11,335 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:11,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-12-05 22:59:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:11,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:11,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:11,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:11,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:11,525 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:11,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-05 22:59:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:11,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:11,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:11,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:13,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-05 22:59:13,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:13,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:13,580 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:13,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:13,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:13,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:13,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:13,582 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:13,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-05 22:59:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:13,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:13,859 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:13,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:15,275 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:15,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-05 22:59:15,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:15,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:15,476 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:15,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:15,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:15,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:15,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:15,477 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:15,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-05 22:59:15,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:15,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:15,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:15,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:15,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:17,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:17,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Forceful destruction successful, exit code 0 [2024-12-05 22:59:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:17,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:17,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:17,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:17,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:17,473 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:17,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-05 22:59:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:17,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:17,736 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:17,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:19,177 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:19,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-05 22:59:19,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:19,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:19,383 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:19,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:19,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:19,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:19,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:19,385 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:19,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-05 22:59:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:19,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:19,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:19,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:21,202 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:21,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-05 22:59:21,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:21,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:21,430 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:21,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:21,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:21,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:21,432 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:21,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-05 22:59:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:21,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:21,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:59:21,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:23,515 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:59:23,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-05 22:59:23,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:23,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:23,524 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:23,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:23,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:23,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:23,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:23,526 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:23,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-05 22:59:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:23,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:23,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:23,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:23,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:25,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-05 22:59:25,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:25,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:25,989 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:25,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:25,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:25,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:25,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:25,991 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:25,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-05 22:59:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:26,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:26,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:26,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:26,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:27,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:27,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-05 22:59:27,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:27,781 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:27,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:27,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:27,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:27,783 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:27,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-05 22:59:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:28,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:28,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:59:28,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:29,540 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:59:29,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-12-05 22:59:29,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:29,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:29,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:29,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:29,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:29,550 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:29,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-05 22:59:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:29,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:29,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 22:59:29,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:59:31,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-05 22:59:31,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:31,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:31,617 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:31,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:31,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:31,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:31,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:31,619 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:31,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-05 22:59:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:31,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:31,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:31,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:33,549 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:33,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-05 22:59:33,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:33,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:33,777 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:33,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:33,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:33,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:33,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:33,778 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:33,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-05 22:59:34,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:34,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:34,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:34,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:35,507 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:35,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-12-05 22:59:35,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:35,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:35,730 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:35,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:35,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:35,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:35,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:35,731 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:35,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-05 22:59:35,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:35,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:35,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:35,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:35,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:37,327 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:37,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-05 22:59:37,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:37,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:37,520 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:37,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:37,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:37,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:37,521 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:37,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-05 22:59:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:37,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:37,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:37,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:39,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-05 22:59:40,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:40,135 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:40,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:40,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:40,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:40,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:40,136 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:40,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-05 22:59:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:40,353 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:40,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:40,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:41,816 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:41,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-12-05 22:59:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:42,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:42,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:42,013 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:42,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-05 22:59:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:42,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:42,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:42,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:42,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:43,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-12-05 22:59:43,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:43,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:43,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:43,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:43,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:43,831 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:43,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-05 22:59:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:44,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:44,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:44,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:44,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:45,492 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:45,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-05 22:59:45,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:45,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:45,683 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:45,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:45,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:45,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:45,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:45,684 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:45,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-05 22:59:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:45,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:45,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:45,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:59:45,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:48,560 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:48,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-12-05 22:59:48,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:48,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:48,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:48,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:48,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:48,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:48,782 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:48,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-05 22:59:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:48,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:49,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:49,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:49,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:50,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:50,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-05 22:59:50,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:50,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:50,665 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:50,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:50,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:50,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:50,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:50,666 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:50,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-05 22:59:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:50,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:50,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 22:59:50,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:52,189 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:52,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-05 22:59:52,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:52,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:52,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:52,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:52,461 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:52,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-05 22:59:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:52,689 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:52,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:52,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:54,196 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-05 22:59:54,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:54,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:54,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:54,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:54,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:54,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:54,561 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:54,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-05 22:59:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:54,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:54,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:54,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:56,235 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:56,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-05 22:59:56,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:56,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:56,448 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:56,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:56,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:56,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:56,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:56,450 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:56,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-05 22:59:56,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:56,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:56,719 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 22:59:56,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:58,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 22:59:58,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-05 22:59:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:58,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:58,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:58,299 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:58,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-05 22:59:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:58,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 22:59:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:59:58,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 22:59:58,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 22:59:59,966 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 22:59:59,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-05 22:59:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:59:59,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 22:59:59,991 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 22:59:59,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 22:59:59,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:59:59,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 22:59:59,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 22:59:59,993 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 22:59:59,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-05 23:00:00,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:00,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:00,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:00,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:00,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:01,638 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:01,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-05 23:00:01,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:01,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:01,872 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:01,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:01,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:01,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:01,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:01,874 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:01,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-05 23:00:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:02,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:02,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:02,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:02,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:03,641 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:03,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-12-05 23:00:03,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:03,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:03,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:03,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:03,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:03,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:03,864 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:03,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-05 23:00:04,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:04,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:04,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:04,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:05,255 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:05,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-05 23:00:05,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:05,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:05,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:05,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:05,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:05,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:05,505 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:05,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-05 23:00:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:05,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:05,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:00:05,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:07,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:00:07,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-05 23:00:07,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:07,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:07,150 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:07,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:07,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:07,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:07,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:07,152 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:07,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-05 23:00:07,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:07,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:07,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:07,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:08,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-05 23:00:08,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:08,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:08,901 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:08,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:08,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:08,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:08,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:08,903 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:08,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-05 23:00:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:09,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:09,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:09,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:10,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-12-05 23:00:10,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:10,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:10,685 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:10,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:10,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:10,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:10,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:10,687 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:10,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-05 23:00:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:10,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:10,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:10,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:12,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:12,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-12-05 23:00:12,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:12,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:12,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:12,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:12,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:12,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:12,286 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:12,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-05 23:00:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:12,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:12,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:12,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:12,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:14,107 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:14,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-12-05 23:00:14,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:14,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:14,336 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:14,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:14,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:14,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:14,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:14,338 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:14,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-05 23:00:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:14,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:14,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:14,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:14,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:15,937 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:15,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Forceful destruction successful, exit code 0 [2024-12-05 23:00:16,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:16,148 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:16,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:16,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:16,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:16,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:16,150 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:16,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-05 23:00:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:16,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:16,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:16,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:17,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-12-05 23:00:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:17,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:17,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:17,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:17,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:17,905 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:17,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-05 23:00:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:18,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:18,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:18,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:19,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-05 23:00:19,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:19,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:19,579 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:19,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:19,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:19,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:19,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:19,580 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:19,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-05 23:00:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:19,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:19,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:19,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:21,252 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:21,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-12-05 23:00:21,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:21,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:21,268 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:21,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:21,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:21,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:21,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:21,269 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:21,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-05 23:00:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:21,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:21,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:21,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:23,000 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:23,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-12-05 23:00:23,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:23,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:23,214 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:23,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:23,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:23,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:23,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:23,216 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:23,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-05 23:00:23,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:23,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:23,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:23,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:24,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-12-05 23:00:24,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:24,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:24,902 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:24,902 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:24,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:24,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:24,904 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:24,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-05 23:00:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:25,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:25,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:00:25,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:26,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:00:26,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-05 23:00:26,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:26,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:26,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:26,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:26,705 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:26,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-05 23:00:26,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:26,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:26,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:00:26,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:28,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:00:28,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-05 23:00:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:28,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:28,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:28,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:28,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:28,295 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:28,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-05 23:00:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:28,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:28,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:00:28,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:00:29,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-05 23:00:29,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:29,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:29,975 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:29,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:29,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:29,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:29,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:29,977 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:29,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-05 23:00:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:30,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:30,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:30,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:30,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:31,690 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:31,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-05 23:00:31,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:31,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:31,897 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:31,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:31,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:31,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:31,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:31,899 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:31,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-05 23:00:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:32,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:32,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:00:32,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:00:33,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-05 23:00:33,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:33,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:33,884 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:33,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:33,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:33,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:33,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:33,886 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:33,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-05 23:00:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:34,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:34,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:00:34,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:00:35,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-05 23:00:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:35,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:35,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:35,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:35,940 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:35,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-05 23:00:36,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:36,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:36,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:36,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:40,562 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:40,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-12-05 23:00:40,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:40,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:40,766 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:40,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:40,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:40,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:40,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:40,768 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:40,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-05 23:00:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:40,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:41,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:41,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:41,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:42,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-05 23:00:42,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:42,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:42,673 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:42,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:42,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:42,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:42,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:42,675 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:42,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-05 23:00:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:42,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:42,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:42,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:44,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:44,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-05 23:00:44,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:44,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:44,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:44,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:44,382 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:44,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-05 23:00:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:44,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:44,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:44,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:46,678 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:46,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-05 23:00:46,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:46,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:46,944 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:46,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:46,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:46,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:46,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:46,945 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:46,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-05 23:00:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:47,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:47,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:47,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:49,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-12-05 23:00:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:49,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:49,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:49,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:49,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:49,506 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:49,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-05 23:00:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:49,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:49,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:49,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:51,185 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:51,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-05 23:00:51,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:51,381 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:51,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:51,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:51,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:51,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:51,383 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-05 23:00:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:51,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:51,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:00:51,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:53,531 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:00:53,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-05 23:00:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:53,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:53,566 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:53,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:53,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:53,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:53,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:53,568 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:53,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-05 23:00:53,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:53,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:53,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:53,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:55,216 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:55,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-12-05 23:00:55,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:55,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:55,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:55,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:55,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:55,235 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:55,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-05 23:00:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:55,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:55,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:55,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:56,671 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:56,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-05 23:00:56,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:56,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:56,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:56,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:56,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:56,923 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:56,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-05 23:00:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:57,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:57,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:00:57,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:00:58,655 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:00:58,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-12-05 23:00:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:00:58,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:00:58,866 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:00:58,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:00:58,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:00:58,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:00:58,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:00:58,868 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:00:58,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-05 23:00:59,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:59,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:00:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:00:59,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:00:59,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:00,321 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:00,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-12-05 23:01:00,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:00,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:00,619 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:00,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:00,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:00,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:00,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:00,621 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:00,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-05 23:01:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:00,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:00,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:01:00,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:02,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-05 23:01:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:02,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:02,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:02,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:02,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:02,382 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:02,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-05 23:01:02,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:02,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:02,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:02,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:04,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-12-05 23:01:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:04,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:04,209 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:04,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:04,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:04,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:04,210 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:04,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-05 23:01:04,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:04,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:04,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:01:04,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:05,708 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:05,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-12-05 23:01:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:05,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:05,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:05,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:05,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:05,749 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:05,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-05 23:01:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:05,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:06,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:01:06,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:07,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-12-05 23:01:07,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:07,482 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:07,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:07,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:07,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:07,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:07,483 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:07,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-05 23:01:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:07,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:07,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:07,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:09,316 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:09,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-12-05 23:01:09,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:09,505 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:09,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:09,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:09,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:09,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:09,507 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:09,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-05 23:01:09,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:09,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:09,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:09,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:09,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:12,088 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:12,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-05 23:01:12,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:12,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:12,297 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:12,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:12,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:12,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:12,298 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:12,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-05 23:01:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:12,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:12,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:12,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:14,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-12-05 23:01:14,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:14,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:14,483 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:14,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:14,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:14,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:14,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:14,485 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:14,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-05 23:01:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:14,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:14,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:14,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:16,209 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:16,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-12-05 23:01:16,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:16,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:16,409 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:16,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:16,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:16,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:16,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:16,410 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:16,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-05 23:01:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:16,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:16,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:16,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:01:16,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:18,513 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:01:18,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-12-05 23:01:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:18,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:18,524 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:18,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:18,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:18,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:18,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:18,525 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:18,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-05 23:01:18,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:18,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:18,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:18,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:20,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-05 23:01:20,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:20,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:20,251 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:20,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:20,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:20,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:20,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:20,252 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:20,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-05 23:01:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:20,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:20,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:20,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:22,016 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:22,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-05 23:01:22,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:22,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:22,031 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:22,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:22,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:22,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:22,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:22,033 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:22,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-05 23:01:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:22,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:22,274 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:01:22,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:01:23,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-12-05 23:01:23,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:23,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:23,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:23,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:23,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:23,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:23,935 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:23,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-05 23:01:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:24,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:24,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:01:24,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:25,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:01:25,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-05 23:01:25,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:25,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:25,823 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:25,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:25,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:25,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:25,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:25,825 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:25,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-05 23:01:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:26,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:26,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:26,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:28,475 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:28,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-12-05 23:01:28,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:28,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:28,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:28,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:28,682 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:28,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-05 23:01:28,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:28,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:28,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:28,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:30,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-05 23:01:30,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:30,681 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:30,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:30,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:30,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:30,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:30,683 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:30,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-05 23:01:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:30,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:30,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:30,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:32,775 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:32,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-05 23:01:33,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:33,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:33,004 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:33,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:33,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:33,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:33,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:33,006 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:33,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-05 23:01:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:33,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:33,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:33,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:33,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:34,839 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:34,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-05 23:01:35,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:35,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:35,052 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:35,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:35,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:35,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:35,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:35,054 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:35,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-05 23:01:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:35,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:35,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:35,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:35,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:36,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:36,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-12-05 23:01:37,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:37,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:37,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:37,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:37,150 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:37,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-05 23:01:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:37,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:37,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:37,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:37,425 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:39,956 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:39,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-12-05 23:01:40,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:40,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:40,187 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:40,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:40,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:40,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:40,188 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:40,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-05 23:01:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:40,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:40,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:01:40,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:01:41,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-05 23:01:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:41,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:41,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:41,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:41,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:41,915 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:41,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-05 23:01:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:42,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:42,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:01:42,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:43,820 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:01:43,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-12-05 23:01:43,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:43,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:43,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:43,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:43,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:43,863 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:43,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-05 23:01:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:44,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:44,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:01:44,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:45,239 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:45,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-12-05 23:01:45,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:45,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:45,470 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:45,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:45,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:45,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:45,471 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:45,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-05 23:01:45,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:45,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:45,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:45,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:47,496 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:47,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-12-05 23:01:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:47,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:47,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:47,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:47,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:47,515 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:47,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-05 23:01:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:47,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:47,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:47,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:49,740 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:49,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-05 23:01:49,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:49,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:49,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:49,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:49,760 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:49,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-05 23:01:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:49,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:50,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:01:50,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:51,372 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:51,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-12-05 23:01:51,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:51,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:51,409 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:51,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:51,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:51,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:51,411 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:51,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-05 23:01:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:51,630 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:51,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:01:51,655 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:53,130 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:01:53,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-12-05 23:01:53,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:53,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:53,140 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:53,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:53,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:53,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:53,141 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:53,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-05 23:01:53,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:53,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:53,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:53,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:01:53,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:54,880 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:54,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-05 23:01:54,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:54,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:54,898 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:54,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:54,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:54,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:54,900 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:54,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-05 23:01:55,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:55,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:55,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:01:55,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:57,036 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:01:57,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-05 23:01:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:57,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:57,046 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:57,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:57,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:57,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:57,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:57,047 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:57,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-05 23:01:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:57,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:57,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:57,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:01:57,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:01:59,020 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:01:59,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-05 23:01:59,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:01:59,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:01:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:01:59,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:01:59,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:01:59,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:01:59,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:01:59,273 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:01:59,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-05 23:01:59,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:59,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:01:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:01:59,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:01:59,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:00,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:00,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-12-05 23:02:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:01,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:01,077 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:01,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:01,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:01,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:01,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:01,079 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:01,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-05 23:02:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:01,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:01,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:01,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:03,537 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:03,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-12-05 23:02:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:03,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:03,555 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:03,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:03,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:03,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:03,557 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:03,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-05 23:02:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:03,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:03,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:03,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:05,187 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:05,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-12-05 23:02:05,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:05,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:05,388 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:05,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:05,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:05,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:05,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:05,390 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:05,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-05 23:02:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:05,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:05,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:02:05,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:06,828 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:06,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-05 23:02:07,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:07,071 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:07,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:07,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:07,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:07,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:07,073 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:07,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-05 23:02:07,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:07,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:07,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:07,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:07,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:08,728 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:08,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-12-05 23:02:08,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:08,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:08,943 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:08,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:08,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:08,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:08,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:08,944 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:08,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-05 23:02:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:09,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:09,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:09,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:10,642 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:10,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-05 23:02:10,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:10,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:10,652 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:10,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:10,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:10,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:10,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:10,654 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:10,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-05 23:02:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:10,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:10,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:02:10,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:12,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-05 23:02:12,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:12,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:12,426 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:12,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:12,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:12,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:12,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:12,428 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:12,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-05 23:02:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:12,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:12,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:02:12,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:13,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:13,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-05 23:02:14,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:14,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:14,175 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:14,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:14,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:14,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:14,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:14,177 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:14,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-05 23:02:14,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:14,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:14,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:14,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:16,157 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:16,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-05 23:02:16,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:16,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:16,222 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:16,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:16,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:16,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:16,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:16,224 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:16,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-05 23:02:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:16,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:16,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:16,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:18,148 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:18,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-12-05 23:02:18,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:18,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:18,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:18,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:18,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:18,208 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:18,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-05 23:02:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:18,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:18,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:18,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:19,897 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:19,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-12-05 23:02:19,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:19,914 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:19,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:19,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:19,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:19,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:19,915 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:19,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-05 23:02:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:20,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:20,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:20,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:20,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:21,776 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:21,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-05 23:02:22,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:22,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:22,011 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:22,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:22,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:22,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:22,012 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:22,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-05 23:02:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:22,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:22,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:22,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:23,723 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:23,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Forceful destruction successful, exit code 0 [2024-12-05 23:02:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:23,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:23,734 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:23,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:23,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:23,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:23,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:23,735 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:23,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-05 23:02:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:23,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:23,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:23,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:25,536 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:25,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-05 23:02:25,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:25,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:25,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:25,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:25,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:25,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:25,761 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:25,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-05 23:02:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:25,988 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:26,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:26,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:27,657 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:27,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-12-05 23:02:27,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:27,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:27,889 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:27,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:27,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:27,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:27,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:27,891 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:27,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-05 23:02:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:28,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:28,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:28,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:29,691 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:29,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-12-05 23:02:29,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:29,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:29,916 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:29,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:29,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:29,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:29,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:29,918 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:29,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-05 23:02:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:30,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:30,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:30,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:31,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-12-05 23:02:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:31,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:31,711 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:31,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:31,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:31,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:31,713 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:31,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-05 23:02:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:31,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:31,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:31,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:31,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:33,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-05 23:02:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:33,795 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:33,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:33,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:33,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:33,797 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:33,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-05 23:02:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:34,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:34,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:34,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:35,849 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:35,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-12-05 23:02:36,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:36,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:36,084 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:36,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:36,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:36,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:36,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:36,085 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:36,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-05 23:02:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:36,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:36,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:36,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:37,671 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:37,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-05 23:02:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:37,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:37,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:37,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:37,880 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:37,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-05 23:02:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:38,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:38,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:02:38,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:42,144 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:42,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-05 23:02:42,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:42,311 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:42,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:42,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:42,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:42,312 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:42,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-05 23:02:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:42,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:42,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:42,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:02:42,606 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:43,858 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:43,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-05 23:02:44,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:44,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:44,107 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:44,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:44,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:44,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:44,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:44,108 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:44,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-05 23:02:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:44,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:44,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:44,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:46,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-12-05 23:02:46,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:46,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:46,399 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:46,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:46,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:46,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:46,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:46,401 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:46,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-05 23:02:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:46,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:46,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:46,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:46,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:48,034 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:48,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-12-05 23:02:48,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:48,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:48,265 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:48,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:48,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:48,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:48,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:48,267 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:48,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-05 23:02:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:48,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:48,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:02:48,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:49,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:49,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Forceful destruction successful, exit code 0 [2024-12-05 23:02:49,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:49,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:49,944 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:49,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:49,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:49,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:49,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:49,946 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:49,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-05 23:02:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:50,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:50,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:50,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:51,655 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:51,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-12-05 23:02:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:51,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:51,666 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:51,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:51,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:51,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:51,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:51,668 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:51,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-05 23:02:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:51,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:51,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:02:51,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:53,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-12-05 23:02:53,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:53,369 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:53,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:53,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:53,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:53,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:53,371 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:53,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-05 23:02:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:53,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:53,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:53,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:55,191 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:02:55,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-12-05 23:02:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:55,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:55,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:55,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:55,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:55,202 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:55,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-05 23:02:55,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:55,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:55,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:55,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:56,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:56,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-05 23:02:57,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:57,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:57,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:57,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:57,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:57,120 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:57,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-05 23:02:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:57,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:57,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:02:57,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:02:59,199 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:02:59,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-05 23:02:59,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:02:59,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:02:59,390 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:02:59,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:02:59,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:02:59,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:02:59,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:02:59,391 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:02:59,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-05 23:02:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:59,607 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:02:59,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:02:59,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:02:59,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:01,273 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:03:01,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-05 23:03:01,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:01,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:01,281 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:01,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:01,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:01,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:01,283 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:01,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-05 23:03:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:01,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:01,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:01,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:03:01,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:03,085 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:03,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-05 23:03:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:03,333 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:03,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:03,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:03,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:03,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:03,335 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:03,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-05 23:03:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:03,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:03,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:03:03,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:04,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-12-05 23:03:04,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:04,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:04,942 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:04,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:04,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:04,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:04,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:04,943 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:04,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-05 23:03:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:05,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:05,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:03:05,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:07,302 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:03:07,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-05 23:03:07,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:07,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:07,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:07,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:07,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:07,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:07,312 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:07,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-05 23:03:07,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:07,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:07,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:07,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:09,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-05 23:03:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:09,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:09,422 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:09,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:09,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:09,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:09,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:09,423 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:09,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-05 23:03:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:09,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:09,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:09,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:11,067 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:11,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-12-05 23:03:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:11,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:11,082 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:11,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:11,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:11,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:11,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:11,084 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:11,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-05 23:03:11,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:11,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:11,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:11,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:15,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-12-05 23:03:15,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:15,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:15,312 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:15,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:15,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:15,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:15,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:15,314 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:15,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-05 23:03:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:15,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:15,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:15,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:15,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:16,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-05 23:03:16,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:16,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:16,967 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:16,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:16,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:16,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:16,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:16,969 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:16,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-05 23:03:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:17,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:17,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:17,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:03:17,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:18,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-05 23:03:18,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:18,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:18,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:18,866 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:18,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-05 23:03:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:19,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:19,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:19,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:21,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-05 23:03:21,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:21,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:21,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:21,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:21,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:21,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:21,142 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:21,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-05 23:03:21,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:21,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:21,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:21,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:26,583 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:26,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-12-05 23:03:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:26,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:26,601 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:26,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:26,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:26,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:26,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:26,602 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:26,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-12-05 23:03:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:26,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:26,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:26,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:28,364 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:28,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-12-05 23:03:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:28,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:28,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:28,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:28,381 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:28,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-12-05 23:03:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:28,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:28,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:28,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:33,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-12-05 23:03:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:33,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:33,431 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:33,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:33,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:33,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:33,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:33,433 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:33,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-12-05 23:03:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:33,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:33,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:33,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:35,063 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:35,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-12-05 23:03:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:35,078 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:35,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:35,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:35,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:35,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:35,079 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:35,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-12-05 23:03:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:35,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:35,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:03:35,332 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:37,030 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:03:37,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-12-05 23:03:37,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:37,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:37,077 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:37,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:37,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:37,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:37,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:37,078 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:37,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-12-05 23:03:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:37,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:37,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:37,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:03:37,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:38,607 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:38,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-12-05 23:03:38,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:38,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:38,854 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:38,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:38,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:38,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:38,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:38,855 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:38,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-12-05 23:03:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:39,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:39,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:03:39,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:03:41,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-12-05 23:03:41,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:41,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:41,294 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:41,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:41,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:41,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:41,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:41,296 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:41,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-12-05 23:03:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:41,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:41,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:41,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:43,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-12-05 23:03:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:43,396 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:43,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:43,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:43,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:43,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:43,398 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:43,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-12-05 23:03:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:43,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:43,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:03:43,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:44,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-12-05 23:03:45,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:45,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:45,188 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:45,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:45,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:45,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:45,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:45,190 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:45,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-12-05 23:03:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:45,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:45,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:45,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:47,485 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:47,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-12-05 23:03:47,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:47,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:47,501 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:47,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:47,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:47,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:47,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:47,502 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:47,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-12-05 23:03:47,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:47,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:47,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:47,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:47,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:49,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-05 23:03:49,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:49,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:49,195 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:49,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:49,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:49,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:49,197 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:49,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-05 23:03:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:49,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:49,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:49,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:52,062 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:52,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-05 23:03:52,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:52,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:52,258 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:52,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:52,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:52,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:52,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:52,259 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:52,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-05 23:03:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:52,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:52,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:52,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:53,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:53,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-05 23:03:54,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:54,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:54,134 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:54,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:54,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:54,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:54,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:54,136 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:54,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-05 23:03:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:54,353 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:54,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:54,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:55,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:55,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Forceful destruction successful, exit code 0 [2024-12-05 23:03:55,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:55,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:55,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:55,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:55,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:55,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:55,939 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:55,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-05 23:03:56,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:56,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:56,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:56,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:03:57,640 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:03:57,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-12-05 23:03:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:57,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:03:57,656 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:03:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:03:57,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:57,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:57,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:57,658 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:57,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-05 23:03:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:57,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:03:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:03:57,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:03:57,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:01,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-12-05 23:04:01,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:01,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:01,188 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:01,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:01,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:01,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:01,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:01,190 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:01,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-05 23:04:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:01,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:01,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:04:01,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:02,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-12-05 23:04:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:02,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:02,901 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:02,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:02,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:02,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:02,903 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:02,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-05 23:04:03,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:03,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:03,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:03,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:05,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-12-05 23:04:05,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:05,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:05,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:05,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:05,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:05,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:05,470 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:05,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-05 23:04:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:05,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:05,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:05,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:07,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:07,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-12-05 23:04:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:07,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:07,371 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:07,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:07,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:07,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:07,373 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:07,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-05 23:04:07,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:07,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:07,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:07,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:09,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-12-05 23:04:09,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:09,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:09,086 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:09,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:09,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:09,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:09,087 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:09,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-05 23:04:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:09,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:09,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:04:09,365 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:10,946 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:10,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-12-05 23:04:11,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:11,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:11,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:11,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:11,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:11,012 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:11,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-05 23:04:11,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:11,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:11,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:04:11,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:12,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:12,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-05 23:04:12,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:12,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:12,689 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:12,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:12,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:12,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:12,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:12,691 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:12,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-05 23:04:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:12,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:12,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:12,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:14,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-12-05 23:04:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:14,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:14,285 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:14,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:14,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:14,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:14,287 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:14,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-05 23:04:14,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:14,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:14,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:14,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:15,941 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:15,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-12-05 23:04:15,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:15,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:15,960 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:15,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:15,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:15,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:15,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:15,961 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:15,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-05 23:04:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:16,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:16,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:16,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:17,610 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:17,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-12-05 23:04:17,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:17,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:17,626 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:17,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:17,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:17,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:17,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:17,628 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:17,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-05 23:04:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:17,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:17,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:17,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:17,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:19,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-12-05 23:04:19,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:19,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:19,529 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:19,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:19,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:19,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:19,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:19,531 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:19,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-05 23:04:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:19,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:19,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:04:19,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:21,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-05 23:04:21,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:21,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:21,313 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:21,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:21,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:21,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:21,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:21,315 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:21,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-05 23:04:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:21,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:21,603 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:21,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:23,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-05 23:04:23,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:23,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:23,093 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:23,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:23,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:23,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:23,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:23,095 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:23,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-05 23:04:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:23,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:23,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:23,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:24,809 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:24,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-05 23:04:25,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:25,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:25,021 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:25,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:25,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:25,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:25,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:25,023 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:25,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-05 23:04:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:25,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:25,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:04:25,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:26,576 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:26,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-12-05 23:04:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:26,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:26,753 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:26,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:26,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:26,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:26,755 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:26,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-12-05 23:04:26,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:26,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:27,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:04:27,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:28,212 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:28,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-12-05 23:04:28,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:28,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:28,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:28,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:28,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:28,486 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:28,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-12-05 23:04:28,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:28,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:28,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:04:28,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:31,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-12-05 23:04:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:31,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:31,655 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:31,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:31,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:31,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:31,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:31,657 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:31,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-12-05 23:04:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:31,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:31,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:31,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:04:31,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:33,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-12-05 23:04:33,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:33,634 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:33,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:33,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:33,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:33,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:33,636 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:33,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-12-05 23:04:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:33,871 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:33,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:04:33,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:35,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-12-05 23:04:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:35,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:35,148 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:35,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:35,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:35,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:35,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:35,149 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:35,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-12-05 23:04:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:35,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:35,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:04:35,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:36,622 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:36,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-12-05 23:04:36,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:36,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:36,675 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:36,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:36,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:36,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:36,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:36,677 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:36,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-12-05 23:04:36,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:36,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:36,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:04:36,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:38,428 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:38,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-12-05 23:04:38,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:38,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:38,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:38,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:38,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:38,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:38,439 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:38,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-12-05 23:04:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:38,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:38,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:04:38,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:39,886 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:39,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-12-05 23:04:40,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:40,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:40,132 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:40,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:40,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:40,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:40,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:40,133 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:40,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-12-05 23:04:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:40,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:40,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:40,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:43,259 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:43,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-12-05 23:04:43,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:43,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:43,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:43,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:43,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:43,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:43,463 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:43,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-12-05 23:04:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:43,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:43,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:43,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:04:43,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:45,092 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:45,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-12-05 23:04:45,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:45,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:45,338 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:45,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:45,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:45,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:45,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:45,339 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:45,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-12-05 23:04:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:45,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:45,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:45,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:47,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-12-05 23:04:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:47,284 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:47,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:47,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:47,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:47,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:47,285 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:47,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-12-05 23:04:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:47,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:47,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:47,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:04:47,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:48,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-12-05 23:04:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:48,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:48,940 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:48,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:48,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:48,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:48,942 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:48,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-12-05 23:04:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:49,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:49,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:04:49,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:50,676 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:50,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-12-05 23:04:50,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:50,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:50,847 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:50,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:50,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:50,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:50,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:50,848 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:50,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-12-05 23:04:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:51,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:51,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:04:51,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:52,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-12-05 23:04:52,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:52,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:52,717 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:52,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:52,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:52,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:52,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:52,718 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:52,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-12-05 23:04:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:52,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:52,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:52,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:54,747 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:54,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-12-05 23:04:54,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:54,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:54,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:54,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:54,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:54,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:54,950 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:54,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-12-05 23:04:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:55,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:55,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:04:55,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:56,680 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:04:56,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-12-05 23:04:56,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:56,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:56,690 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:56,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:56,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:56,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:56,691 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:56,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-12-05 23:04:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:56,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:56,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:56,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:04:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:04:58,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-12-05 23:04:58,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:04:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:04:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:04:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:04:58,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:04:58,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:04:58,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:04:58,506 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:04:58,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-12-05 23:04:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:58,734 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:04:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:04:58,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:04:58,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:00,208 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:00,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-12-05 23:05:00,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:00,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:00,409 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:00,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:00,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:00,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:00,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:00,411 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:00,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-12-05 23:05:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:00,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:00,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:00,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:02,061 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:02,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Forceful destruction successful, exit code 0 [2024-12-05 23:05:02,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:02,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:02,317 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:02,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:02,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:02,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:02,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:02,319 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:02,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-12-05 23:05:02,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:02,546 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:02,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:02,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:02,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:04,781 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:04,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-12-05 23:05:04,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:04,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:04,987 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:04,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:04,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:04,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:04,989 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:04,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-12-05 23:05:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:05,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:05,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:05,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:06,818 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:06,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-12-05 23:05:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:06,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:06,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:06,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:06,835 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:06,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-12-05 23:05:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:07,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:07,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:07,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:08,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:08,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-12-05 23:05:08,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:08,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:08,753 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:08,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:08,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:08,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:08,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:08,754 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:08,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-12-05 23:05:08,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:08,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:09,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:09,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:10,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-12-05 23:05:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:10,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:10,615 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:10,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:10,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:10,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:10,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:10,617 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:10,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-12-05 23:05:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:10,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:10,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:10,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:12,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:12,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-12-05 23:05:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:12,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:12,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:12,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:12,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:12,362 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:12,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-12-05 23:05:12,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:12,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:12,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:12,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:12,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:14,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-12-05 23:05:14,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:14,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:14,261 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:14,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:14,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:14,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:14,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:14,262 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:14,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-12-05 23:05:14,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:14,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:14,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:14,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:15,996 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:15,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-12-05 23:05:16,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:16,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:16,202 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:16,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:16,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:16,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:16,204 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:16,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-12-05 23:05:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:16,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:16,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:05:16,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:05:18,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-12-05 23:05:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:18,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:18,622 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:18,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:18,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:18,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:18,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:18,624 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:18,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-12-05 23:05:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:18,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:18,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:18,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:20,397 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:20,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-12-05 23:05:20,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:20,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:20,618 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:20,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:20,618 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:20,618 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:20,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:20,620 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:20,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-12-05 23:05:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:20,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:20,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:20,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:22,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-12-05 23:05:22,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:22,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:22,385 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:22,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:22,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:22,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:22,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:22,386 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:22,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-12-05 23:05:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:22,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:22,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:22,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:22,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:23,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-12-05 23:05:24,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:24,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:24,093 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:24,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:24,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:24,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:24,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:24,094 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:24,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-12-05 23:05:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:24,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:24,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:05:24,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:26,112 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:05:26,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-12-05 23:05:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:26,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:26,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:26,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:26,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:26,122 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:26,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-12-05 23:05:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:26,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:26,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:26,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:27,768 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:27,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-12-05 23:05:27,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:27,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:27,985 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:27,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:27,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:27,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:27,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:27,987 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:27,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-12-05 23:05:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:28,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:28,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:28,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:05:28,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:05:30,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-12-05 23:05:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:30,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:30,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:30,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:30,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:30,334 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:30,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-12-05 23:05:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:30,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:30,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:30,601 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:30,602 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:32,007 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:32,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-12-05 23:05:32,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:32,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:32,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:32,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:32,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:32,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:32,251 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:32,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-12-05 23:05:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:32,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:32,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:32,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:32,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:33,725 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:33,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-12-05 23:05:33,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:33,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:33,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:33,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:33,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:33,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:33,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:33,979 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:33,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-12-05 23:05:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:34,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:34,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:34,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:36,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-12-05 23:05:36,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:36,765 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:36,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:36,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:36,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:36,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:36,766 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:36,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-12-05 23:05:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:36,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:37,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:37,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:38,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-12-05 23:05:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:38,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:38,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:38,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:38,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:38,650 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:38,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-12-05 23:05:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:38,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:38,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:05:38,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:40,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:05:40,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-12-05 23:05:40,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:40,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:40,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:40,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:40,554 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:40,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-12-05 23:05:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:40,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:40,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:40,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:40,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:42,048 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:42,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-12-05 23:05:42,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:42,295 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:42,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:42,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:42,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:42,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:42,296 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:42,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-12-05 23:05:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:42,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:42,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:42,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:43,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:43,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-12-05 23:05:43,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:43,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:43,959 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:43,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:43,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:43,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:43,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:43,961 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:43,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-12-05 23:05:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:44,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:44,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:44,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:45,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-12-05 23:05:45,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:45,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:45,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:45,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:45,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:45,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:45,765 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:45,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-12-05 23:05:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:45,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:46,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:46,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:47,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-12-05 23:05:47,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:47,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:47,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:47,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:47,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:47,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:47,441 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:47,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-12-05 23:05:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:47,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:47,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:47,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:48,799 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:48,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Forceful destruction successful, exit code 0 [2024-12-05 23:05:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:48,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:48,895 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:48,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:48,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:48,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:48,897 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:48,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-12-05 23:05:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:49,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:49,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:49,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:50,603 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:50,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-12-05 23:05:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:50,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:50,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:50,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:50,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:50,624 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:50,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-12-05 23:05:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:50,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:50,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:50,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:52,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-12-05 23:05:52,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:52,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:52,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:52,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:52,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:52,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:52,295 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:52,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-12-05 23:05:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:52,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:52,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:05:52,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:05:53,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-12-05 23:05:53,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:53,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:53,886 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:53,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:53,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:53,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:53,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:53,887 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:53,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-12-05 23:05:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:54,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:54,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:54,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:55,356 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:55,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-12-05 23:05:55,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:55,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:55,617 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:55,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:55,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:55,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:55,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:55,618 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:55,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-12-05 23:05:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:55,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:55,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:55,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:55,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:57,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-12-05 23:05:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:57,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:57,207 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:57,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:57,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:57,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:57,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:57,209 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:57,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-12-05 23:05:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:57,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:57,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:05:57,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:05:58,888 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:05:58,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-12-05 23:05:59,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:05:59,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:05:59,094 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:05:59,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:05:59,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:05:59,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:05:59,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:05:59,096 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:05:59,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-12-05 23:05:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:59,320 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:05:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:05:59,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:05:59,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:00,543 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:00,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-12-05 23:06:00,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:00,807 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:00,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:00,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:00,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:00,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:00,809 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:00,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-12-05 23:06:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:01,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:01,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:01,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:01,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:02,814 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:02,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-12-05 23:06:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:03,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:03,044 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:03,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:03,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:03,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:03,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:03,046 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:03,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-12-05 23:06:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:03,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:03,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:03,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:05,098 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:05,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-12-05 23:06:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:05,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:05,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:05,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:05,138 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:05,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-12-05 23:06:05,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:05,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:05,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:05,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:06,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-12-05 23:06:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:06,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:06,728 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:06,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:06,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:06,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:06,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:06,730 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:06,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-12-05 23:06:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:06,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:06,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:06,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:08,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:08,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-12-05 23:06:08,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:08,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:08,563 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:08,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:08,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:08,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:08,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:08,564 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:08,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-12-05 23:06:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:08,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:08,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:06:08,824 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:10,452 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:06:10,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-12-05 23:06:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:10,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:10,462 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:10,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:10,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:10,463 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:10,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-12-05 23:06:10,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:10,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:10,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:10,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:12,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-12-05 23:06:12,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:12,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:12,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:12,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:12,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:12,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:12,303 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:12,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-12-05 23:06:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:12,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:12,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:12,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:06:12,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:06:13,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-12-05 23:06:13,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:13,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:13,919 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:13,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:13,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:13,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:13,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:13,920 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:13,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-12-05 23:06:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:14,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:14,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:14,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:14,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:17,005 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:17,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-12-05 23:06:17,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:17,208 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:17,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:17,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:17,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:17,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:17,210 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:17,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-12-05 23:06:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:17,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:17,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:06:17,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:19,070 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:06:19,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-12-05 23:06:19,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:19,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:19,080 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:19,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:19,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:19,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:19,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:19,082 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:19,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-12-05 23:06:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:19,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:19,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:19,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:20,804 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:20,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-12-05 23:06:21,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:21,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:21,028 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:21,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:21,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:21,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:21,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:21,030 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:21,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-12-05 23:06:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:21,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:21,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:21,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:21,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:22,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:22,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-12-05 23:06:22,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:22,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:22,837 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:22,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:22,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:22,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:22,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:22,838 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:22,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-12-05 23:06:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:23,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:23,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:23,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:23,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:24,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (378)] Forceful destruction successful, exit code 0 [2024-12-05 23:06:24,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:24,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:24,719 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:24,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:24,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:24,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:24,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:24,721 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:24,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-12-05 23:06:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:24,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:24,971 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:06:24,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:26,456 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:06:26,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-12-05 23:06:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:26,464 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:26,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:26,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:26,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:26,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:26,466 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:26,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-12-05 23:06:26,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:26,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:26,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:26,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:27,879 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:27,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (380)] Forceful destruction successful, exit code 0 [2024-12-05 23:06:28,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:28,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:28,155 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:28,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:28,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:28,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:28,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:28,156 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:28,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-12-05 23:06:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:28,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:28,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:28,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:06:28,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:06:29,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (381)] Ended with exit code 0 [2024-12-05 23:06:29,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:29,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:29,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:29,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:29,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:29,780 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:29,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-12-05 23:06:30,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:30,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:30,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:30,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:31,618 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:31,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (382)] Ended with exit code 0 [2024-12-05 23:06:31,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:31,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:31,849 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:31,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:31,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:31,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:31,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:31,850 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:31,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-12-05 23:06:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:32,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:32,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:32,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:33,697 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:33,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-12-05 23:06:33,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:33,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:33,924 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:33,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:33,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:33,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:33,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:33,926 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:33,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-12-05 23:06:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:34,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:34,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:34,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:35,351 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:35,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (384)] Ended with exit code 0 [2024-12-05 23:06:35,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:35,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:35,595 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:35,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:35,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:35,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:35,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:35,597 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:35,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-12-05 23:06:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:35,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:35,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:35,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:37,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:37,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-12-05 23:06:37,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:37,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:37,513 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:37,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:37,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:37,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:37,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:37,514 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:37,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-12-05 23:06:37,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:37,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:37,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:37,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:39,341 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:39,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (386)] Ended with exit code 0 [2024-12-05 23:06:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:39,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:39,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:39,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:39,560 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:39,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-12-05 23:06:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:39,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:39,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:39,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:06:39,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:41,338 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:06:41,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (387)] Forceful destruction successful, exit code 0 [2024-12-05 23:06:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:41,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:41,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:41,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:41,349 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:41,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-12-05 23:06:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:41,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:41,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:41,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:43,192 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:43,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (388)] Ended with exit code 0 [2024-12-05 23:06:43,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:43,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:43,405 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:43,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:43,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:43,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:43,407 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:43,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-12-05 23:06:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:43,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:43,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:43,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:44,853 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:44,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-12-05 23:06:45,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:45,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:45,093 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:45,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:45,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:45,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:45,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:45,095 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:45,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-12-05 23:06:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:45,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:45,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:45,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:46,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (390)] Forceful destruction successful, exit code 0 [2024-12-05 23:06:47,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:47,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:47,032 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:47,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:47,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:47,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:47,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:47,034 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:47,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-12-05 23:06:47,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:47,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:47,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:47,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:49,247 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:49,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (391)] Ended with exit code 0 [2024-12-05 23:06:49,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:49,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:49,493 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:49,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:49,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:49,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:49,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:49,495 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:49,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-12-05 23:06:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:49,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:49,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:49,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:51,028 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:51,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-12-05 23:06:51,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:51,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:51,107 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:51,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:51,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:51,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:51,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:51,109 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:51,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-12-05 23:06:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:51,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:51,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:51,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:53,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-12-05 23:06:53,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:53,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:53,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:53,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:53,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:53,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:53,344 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:53,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-12-05 23:06:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:53,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:53,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:53,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:54,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:54,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-12-05 23:06:55,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:55,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:55,064 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:55,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:55,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:55,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:55,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:55,066 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:55,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-12-05 23:06:55,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:55,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:55,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:06:55,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:56,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-12-05 23:06:56,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:56,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:56,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:56,589 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:56,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:56,590 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:56,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-12-05 23:06:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:56,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:56,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:56,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:58,378 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:58,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-12-05 23:06:58,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:58,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:58,397 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:58,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:58,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:58,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:58,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:58,399 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:58,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-12-05 23:06:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:58,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:06:58,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:06:58,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:06:58,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:06:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:06:59,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-12-05 23:06:59,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:06:59,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:06:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:06:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:06:59,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:06:59,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:06:59,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:06:59,998 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:06:59,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-12-05 23:07:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:00,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:00,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:00,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:01,654 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:01,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (398)] Ended with exit code 0 [2024-12-05 23:07:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:01,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:01,880 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:01,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:01,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:01,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:01,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:01,882 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:01,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-12-05 23:07:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:02,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:02,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:07:02,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:04,116 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:07:04,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (399)] Forceful destruction successful, exit code 0 [2024-12-05 23:07:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:04,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:04,183 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:04,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:04,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:04,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:04,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:04,185 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:04,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-12-05 23:07:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:04,410 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:04,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:04,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:04,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:05,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (400)] Ended with exit code 0 [2024-12-05 23:07:06,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:06,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:06,109 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:06,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:06,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:06,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:06,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:06,110 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:06,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-12-05 23:07:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:06,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:06,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:07:06,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:07,956 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:07:07,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-12-05 23:07:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:08,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:08,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:08,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:08,018 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:08,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-12-05 23:07:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:08,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:08,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:08,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:09,668 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:09,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-12-05 23:07:09,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:09,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:09,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:09,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:09,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:09,688 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:09,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-12-05 23:07:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:09,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:09,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:09,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:11,317 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:11,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-12-05 23:07:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:11,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:11,334 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:11,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:11,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:11,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:11,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:11,336 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:11,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-12-05 23:07:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:11,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:11,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:11,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:11,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:12,859 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:12,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-12-05 23:07:13,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:13,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:13,144 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:13,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:13,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:13,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:13,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:13,146 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:13,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-12-05 23:07:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:13,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:13,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:13,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:14,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-12-05 23:07:14,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:14,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:14,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:14,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:14,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:14,949 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:14,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-12-05 23:07:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:15,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:15,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:15,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:16,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (406)] Ended with exit code 0 [2024-12-05 23:07:16,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:16,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:16,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:16,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:16,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:16,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:16,735 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:16,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-12-05 23:07:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:16,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:16,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:07:16,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:18,539 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:07:18,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-12-05 23:07:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:18,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:18,549 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:18,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:18,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:18,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:18,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:18,550 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:18,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-12-05 23:07:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:18,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:18,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:07:18,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:20,376 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:07:20,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (408)] Ended with exit code 0 [2024-12-05 23:07:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:20,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:20,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:20,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:20,388 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:20,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-12-05 23:07:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:20,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:20,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:07:20,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:22,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:07:22,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (409)] Ended with exit code 0 [2024-12-05 23:07:22,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:22,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:22,278 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:22,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:22,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:22,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:22,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:22,280 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:22,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-12-05 23:07:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:22,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:22,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:22,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:23,931 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:23,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (410)] Ended with exit code 0 [2024-12-05 23:07:24,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:24,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:24,155 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:24,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:24,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:24,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:24,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:24,156 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:24,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-12-05 23:07:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:24,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:24,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:24,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:25,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-12-05 23:07:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:25,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:25,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:25,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:25,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:25,845 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:25,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-12-05 23:07:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:26,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:26,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:26,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:27,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-12-05 23:07:27,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:27,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:27,574 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:27,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:27,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:27,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:27,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:27,576 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:27,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-12-05 23:07:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:27,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:27,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:27,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:27,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:29,197 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:29,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-12-05 23:07:29,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:29,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:29,416 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:29,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:29,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:29,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:29,418 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:29,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-12-05 23:07:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:29,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:29,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:07:29,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:32,024 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:07:32,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-12-05 23:07:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:32,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:32,060 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:32,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:32,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:32,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:32,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:32,061 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:32,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-12-05 23:07:32,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:32,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:32,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:32,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:33,884 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:33,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (415)] Forceful destruction successful, exit code 0 [2024-12-05 23:07:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:34,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:34,073 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:34,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:34,073 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:34,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:34,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:34,074 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:34,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-12-05 23:07:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:34,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:34,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:34,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:35,488 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:35,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (416)] Ended with exit code 0 [2024-12-05 23:07:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:35,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:35,727 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:35,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:35,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:35,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:35,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:35,728 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:35,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-12-05 23:07:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:35,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:35,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:35,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:35,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:37,380 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:37,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (417)] Ended with exit code 0 [2024-12-05 23:07:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:37,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:37,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:37,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:37,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:37,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:37,590 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:37,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-12-05 23:07:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:37,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:37,836 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:37,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:39,172 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:39,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (418)] Forceful destruction successful, exit code 0 [2024-12-05 23:07:39,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:39,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:39,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:39,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:39,379 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:39,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-12-05 23:07:39,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:39,607 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:39,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:39,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:40,889 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:40,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-12-05 23:07:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:41,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:41,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:41,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:41,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:41,160 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:41,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-12-05 23:07:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:41,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:41,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:41,429 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:43,002 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:43,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-12-05 23:07:43,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:43,225 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:43,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:43,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:43,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:43,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:43,227 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:43,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-12-05 23:07:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:43,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:43,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:43,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:43,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:44,815 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:44,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (421)] Ended with exit code 0 [2024-12-05 23:07:45,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:45,028 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:45,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:45,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:45,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:45,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:45,030 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:45,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-12-05 23:07:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:45,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:45,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:07:45,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:46,825 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:07:46,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-12-05 23:07:46,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:46,835 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:46,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:46,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:46,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:46,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:46,837 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:46,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-12-05 23:07:47,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:47,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:47,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:47,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:47,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:48,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (423)] Forceful destruction successful, exit code 0 [2024-12-05 23:07:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:48,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:48,711 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:48,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:48,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:48,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:48,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:48,713 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:48,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-12-05 23:07:48,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:48,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:48,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:48,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:50,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-12-05 23:07:50,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:50,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:50,568 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:50,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:50,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:50,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:50,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:50,569 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:50,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-12-05 23:07:50,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:50,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:50,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:50,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:52,574 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:52,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-12-05 23:07:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:52,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:52,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:52,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:52,785 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:52,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-12-05 23:07:53,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:53,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:53,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:53,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:53,061 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:54,313 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:54,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-12-05 23:07:54,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:54,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:54,607 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:54,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:54,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:54,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:54,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:54,609 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:54,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-12-05 23:07:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:54,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:54,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:54,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:55,995 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:55,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-12-05 23:07:56,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:56,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:56,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:56,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:56,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:56,269 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:56,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-12-05 23:07:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:56,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:56,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:07:56,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:57,785 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:57,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-12-05 23:07:58,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:58,044 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:58,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:58,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:58,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:58,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:58,045 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:58,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-12-05 23:07:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:58,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:07:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:07:58,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:07:58,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:07:59,719 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:07:59,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-12-05 23:07:59,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:07:59,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:07:59,951 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:07:59,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:07:59,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:07:59,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:07:59,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:07:59,953 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:07:59,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-12-05 23:08:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:00,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:00,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:00,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:08:00,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:01,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (430)] Forceful destruction successful, exit code 0 [2024-12-05 23:08:01,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:01,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:01,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:01,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:01,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:01,703 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:01,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-12-05 23:08:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:01,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:01,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:08:01,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:03,229 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:08:03,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-12-05 23:08:03,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:03,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:03,410 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:03,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:03,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:03,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:03,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:03,412 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:03,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-12-05 23:08:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:03,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:03,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:03,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:05,156 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:05,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (432)] Ended with exit code 0 [2024-12-05 23:08:05,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:05,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:05,353 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:05,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:05,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:05,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:05,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:05,354 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:05,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-12-05 23:08:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:05,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:05,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:05,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:07,091 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:07,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (433)] Ended with exit code 0 [2024-12-05 23:08:07,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:07,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:07,286 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:07,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:07,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:07,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:07,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:07,287 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:07,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-12-05 23:08:07,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:07,503 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:07,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:07,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:08,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:08,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-12-05 23:08:08,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:08,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:08,965 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:08,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:08,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:08,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:08,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:08,967 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:08,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-12-05 23:08:09,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:09,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:08:09,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:10,453 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:10,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (435)] Ended with exit code 0 [2024-12-05 23:08:10,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:10,706 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:10,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:10,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:10,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:10,708 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:10,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-12-05 23:08:10,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:10,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:10,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:08:10,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-12-05 23:08:12,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-12-05 23:08:12,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:12,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:12,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:12,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:12,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:12,500 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:12,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-12-05 23:08:12,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:12,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:12,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:12,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:14,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (437)] Ended with exit code 0 [2024-12-05 23:08:14,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:14,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:14,290 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:14,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:14,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:14,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:14,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:14,292 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:14,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-12-05 23:08:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:14,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:14,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:14,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:15,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (438)] Ended with exit code 0 [2024-12-05 23:08:16,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:16,187 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:16,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:16,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:16,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:16,188 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:16,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-12-05 23:08:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:16,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:16,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:16,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:18,709 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:18,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-12-05 23:08:18,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:18,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:18,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:18,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:18,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:18,926 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:18,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-12-05 23:08:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:19,143 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:19,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:19,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:20,617 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:20,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-12-05 23:08:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:20,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:20,821 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:20,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:20,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:20,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:20,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:20,823 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:20,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-12-05 23:08:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:21,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:21,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:21,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:23,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (441)] Ended with exit code 0 [2024-12-05 23:08:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:23,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:23,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:23,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:23,397 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:23,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-12-05 23:08:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:23,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:23,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:23,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:23,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:25,212 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:25,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (442)] Forceful destruction successful, exit code 0 [2024-12-05 23:08:25,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:25,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:25,412 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:25,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:25,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:25,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:25,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:25,414 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:25,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-12-05 23:08:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:25,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:25,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:25,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:25,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:27,395 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:27,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (443)] Ended with exit code 0 [2024-12-05 23:08:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:27,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:27,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:27,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:27,617 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:27,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-12-05 23:08:27,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:27,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:27,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:08:27,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:29,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:29,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (444)] Forceful destruction successful, exit code 0 [2024-12-05 23:08:29,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:29,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:29,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:29,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:29,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:29,350 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:29,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-12-05 23:08:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:29,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:29,635 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-05 23:08:29,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:08:31,000 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-12-05 23:08:31,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-12-05 23:08:31,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:08:31,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 82 states and 240 transitions. [2024-12-05 23:08:31,198 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 240 transitions. [2024-12-05 23:08:31,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-12-05 23:08:31,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:08:31,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:08:31,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:08:31,200 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:08:31,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b56cf6d9-2255-4c9d-9967-fb6a311f5594/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-12-05 23:08:31,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:31,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:08:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:08:31,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 23:08:31,453 INFO L279 TraceCheckSpWp]: Computing forward predicates...