./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk --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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:05:39,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:05:39,634 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:05:39,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:05:39,643 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:05:39,683 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:05:39,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:05:39,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:05:39,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:05:39,686 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:05:39,687 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:05:39,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:05:39,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:05:39,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:05:39,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:05:39,691 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:05:39,692 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:05:39,693 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:05:39,694 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:05:39,694 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:05:39,694 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:05:39,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:05:39,699 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:05:39,699 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:05:39,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:05:39,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:05:39,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:05:39,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:39,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:05:39,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:05:39,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:05:39,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:05:39,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:05:39,706 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-11-09 00:05:40,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:05:40,055 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:05:40,058 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:05:40,060 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:05:40,060 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:05:40,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i Unable to find full path for "g++" [2024-11-09 00:05:42,179 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:05:42,450 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:05:42,451 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-09 00:05:42,461 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data/cda18b89f/1f77a2a244334b148401a5394a3428c9/FLAG3f2d69bda [2024-11-09 00:05:42,485 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data/cda18b89f/1f77a2a244334b148401a5394a3428c9 [2024-11-09 00:05:42,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:05:42,490 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:05:42,492 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:42,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:05:42,497 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:05:42,498 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:42,500 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fcb1084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42, skipping insertion in model container [2024-11-09 00:05:42,500 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:42,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:05:42,860 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_b519644b-2c8b-4d6f-8134-15edb05e2e13/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-09 00:05:42,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:42,908 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:05:42,925 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_b519644b-2c8b-4d6f-8134-15edb05e2e13/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-09 00:05:42,939 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:42,960 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:05:42,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42 WrapperNode [2024-11-09 00:05:42,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:42,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:42,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:05:42,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:05:42,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:42,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,002 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-09 00:05:43,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:43,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:05:43,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:05:43,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:05:43,016 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,016 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,024 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:05:43,035 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:05:43,035 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:05:43,035 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:05:43,036 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:42" (1/1) ... [2024-11-09 00:05:43,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:43,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:05:43,072 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:05:43,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:05:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:05:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:05:43,112 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:05:43,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:05:43,113 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:05:43,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:05:43,200 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:05:43,202 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:05:43,386 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:05:43,387 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:05:43,552 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:05:43,553 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:05:43,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:43 BoogieIcfgContainer [2024-11-09 00:05:43,553 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:05:43,554 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:05:43,555 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:05:43,568 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:05:43,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:43" (1/1) ... [2024-11-09 00:05:43,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:05:43,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:43,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-09 00:05:43,654 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-09 00:05:43,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:05:43,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:43,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:05:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:43,865 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:05:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:44,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:44,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:05:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:05:44,148 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-09 00:05:44,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:05:44 ImpRootNode [2024-11-09 00:05:44,232 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:05:44,233 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:05:44,234 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:05:44,234 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:05:44,235 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:43" (3/4) ... [2024-11-09 00:05:44,241 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 00:05:44,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:05:44,245 INFO L158 Benchmark]: Toolchain (without parser) took 1754.32ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 144.1MB in the end (delta: -7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:44,245 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:44,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.42ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 123.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:05:44,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.96ms. Allocated memory is still 176.2MB. Free memory was 123.5MB in the beginning and 122.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:05:44,250 INFO L158 Benchmark]: Boogie Preprocessor took 29.55ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 120.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:05:44,251 INFO L158 Benchmark]: RCFGBuilder took 519.06ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 104.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:05:44,251 INFO L158 Benchmark]: CodeCheck took 678.31ms. Allocated memory is still 176.2MB. Free memory was 104.7MB in the beginning and 144.1MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:44,252 INFO L158 Benchmark]: Witness Printer took 10.11ms. Allocated memory is still 176.2MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:05:44,258 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 29 NumberOfCodeBlocks, 29 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 - 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 36, overapproximation of someBinaryDOUBLEComparisonOperation at line 57, overapproximation of someUnaryFLOAToperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 63.45; [L23] unsigned long int var_1_2 = 3925393104; [L24] unsigned long int var_1_3 = 256; [L25] unsigned long int var_1_4 = 2; [L26] float var_1_5 = 3.6; [L27] float var_1_6 = 99.372; [L28] double var_1_7 = 32.15; [L61] isInitial = 1 [L62] FCALL initially() [L63] COND TRUE 1 [L64] FCALL updateLastVariables() [L65] CALL updateVariables() [L42] var_1_2 = __VERIFIER_nondet_ulong() [L43] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L44] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=256, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L45] var_1_3 = __VERIFIER_nondet_ulong() [L46] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L47] CALL assume_abort_if_not(var_1_3 <= 1073741824) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_3 <= 1073741824) VAL [isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=2, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L48] var_1_4 = __VERIFIER_nondet_ulong() [L49] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L50] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=5368709119, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=5368709119, var_1_5=18/5, var_1_6=24843/250, var_1_7=643/20] [L51] var_1_5 = __VERIFIER_nondet_float() [L52] CALL assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=5368709119, var_1_6=24843/250, var_1_7=643/20] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not((var_1_5 >= -922337.2036854765600e+13F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, var_1_1=1269/20, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=5368709119, var_1_6=24843/250, var_1_7=643/20] [L65] RET updateVariables() [L66] CALL step() [L32] unsigned long int stepLocal_0 = 10u / 16u; [L33] COND TRUE (var_1_2 - (var_1_3 + var_1_4)) <= stepLocal_0 [L34] var_1_1 = var_1_5 [L38] var_1_6 = var_1_5 [L39] var_1_7 = var_1_5 [L66] RET step() [L67] CALL, EXPR property() [L57-L58] return ((((var_1_2 - (var_1_3 + var_1_4)) <= (10u / 16u)) ? (var_1_1 == ((float) var_1_5)) : (var_1_1 == ((float) ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))))) && (var_1_6 == ((float) var_1_5))) && (var_1_7 == ((double) var_1_5)) ; [L67] RET, EXPR property() [L67] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_1=2, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=5368709119, var_1_5=2, var_1_6=2, var_1_7=2] [L19] reach_error() VAL [isInitial=1, var_1_1=2, var_1_2=-2147483649, var_1_3=-11811160064, var_1_4=5368709119, var_1_5=2, var_1_6=2, var_1_7=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 138.4MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.42ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 123.5MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.96ms. Allocated memory is still 176.2MB. Free memory was 123.5MB in the beginning and 122.0MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.55ms. Allocated memory is still 176.2MB. Free memory was 122.0MB in the beginning and 120.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 519.06ms. Allocated memory is still 176.2MB. Free memory was 120.4MB in the beginning and 104.7MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 678.31ms. Allocated memory is still 176.2MB. Free memory was 104.7MB in the beginning and 144.1MB in the end (delta: -39.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 10.11ms. Allocated memory is still 176.2MB. Free memory is still 144.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-09 00:05:44,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk --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 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:05:46,945 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:05:47,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-09 00:05:47,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:05:47,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:05:47,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:05:47,119 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:05:47,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:05:47,122 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:05:47,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:05:47,123 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:05:47,124 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:05:47,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:05:47,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:05:47,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:05:47,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:05:47,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 00:05:47,130 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 00:05:47,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:05:47,131 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 00:05:47,131 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:05:47,136 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:05:47,137 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:05:47,137 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:05:47,137 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:05:47,138 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:05:47,138 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:47,139 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-09 00:05:47,140 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:05:47,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:47,142 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:05:47,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:05:47,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:05:47,144 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 00:05:47,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:47,145 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-09 00:05:47,145 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0f3c671fd90b32c42295a3fff7f6ed38c1953794fa7bfd867d0ac70cf5a873bc [2024-11-09 00:05:47,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:05:47,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:05:47,644 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:05:47,646 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:05:47,647 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:05:47,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i Unable to find full path for "g++" [2024-11-09 00:05:49,790 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:05:50,095 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:05:50,096 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-09 00:05:50,104 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data/899e83c42/1c5b01f9024a4712bffe12a9074ffc84/FLAG0f7c82be0 [2024-11-09 00:05:50,381 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/data/899e83c42/1c5b01f9024a4712bffe12a9074ffc84 [2024-11-09 00:05:50,384 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:05:50,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:05:50,389 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:50,391 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:05:50,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:05:50,399 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,402 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc5c13f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50, skipping insertion in model container [2024-11-09 00:05:50,403 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,428 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:05:50,720 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_b519644b-2c8b-4d6f-8134-15edb05e2e13/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-09 00:05:50,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:50,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:05:50,826 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_b519644b-2c8b-4d6f-8134-15edb05e2e13/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-09 00:05:50,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:05:50,887 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:05:50,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50 WrapperNode [2024-11-09 00:05:50,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:05:50,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:50,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:05:50,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:05:50,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,951 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-09 00:05:50,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:05:50,952 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:05:50,952 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:05:50,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:05:50,967 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,974 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,974 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:50,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:51,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:51,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:51,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:51,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:05:51,022 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:05:51,022 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:05:51,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:05:51,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:05:50" (1/1) ... [2024-11-09 00:05:51,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:05:51,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:05:51,122 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:05:51,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:05:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:05:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 00:05:51,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 00:05:51,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 00:05:51,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:05:51,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:05:51,322 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:05:51,325 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:05:51,685 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-09 00:05:51,686 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:05:51,778 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:05:51,778 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:05:51,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:51 BoogieIcfgContainer [2024-11-09 00:05:51,779 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:05:51,780 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:05:51,780 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:05:51,794 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:05:51,795 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:05:51" (1/1) ... [2024-11-09 00:05:51,805 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:05:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:51,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-09 00:05:51,865 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-09 00:05:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:05:51,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:51,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:51,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:51,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:51,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-09 00:05:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:52,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:52,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:05:52,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:05:56,006 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:05:56,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-09 00:05:56,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:05:56,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:05:56,823 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:05:56,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:05:56,824 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:05:56,824 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:05:56,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:05:56,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:05:56,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-09 00:05:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:57,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:05:57,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:05:57,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:05:57,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:00,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:00,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:00,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:00,276 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:00,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:00,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:00,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:00,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:00,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:00,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-09 00:06:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:01,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:01,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:01,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:03,515 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:03,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:03,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:03,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:03,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:03,537 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:03,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-09 00:06:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:04,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:04,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:04,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:06,133 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:06,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-09 00:06:06,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:06,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:06,150 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:06,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:06,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:06,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:06,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:06,154 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:06,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-09 00:06:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:06,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:06,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:06,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:08,526 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:08,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-09 00:06:08,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:08,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:08,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:08,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:08,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:08,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-09 00:06:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:09,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:09,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:09,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:09,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:10,912 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:10,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-09 00:06:10,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:10,927 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:10,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:10,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:10,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:10,932 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:10,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-09 00:06:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:11,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:11,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:11,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:13,464 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:13,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-09 00:06:13,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:13,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:13,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:13,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:13,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:13,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:13,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:13,487 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:13,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-09 00:06:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:14,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:14,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:14,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:15,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:15,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:15,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:15,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:15,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:15,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:15,784 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:15,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-09 00:06:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:16,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:16,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:16,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:17,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:17,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:17,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:17,875 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:17,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:17,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:17,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:17,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:17,878 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:17,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-09 00:06:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:18,420 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:18,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:18,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:20,013 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:20,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-09 00:06:20,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:20,038 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:20,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:20,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:20,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:20,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:20,043 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:20,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-09 00:06:20,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:20,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:20,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:20,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:22,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-09 00:06:22,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:22,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:22,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:22,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:22,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:22,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:22,404 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:22,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-09 00:06:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:23,085 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:23,149 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:23,150 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:24,662 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:24,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-09 00:06:24,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:24,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:24,677 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:24,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:24,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:24,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:24,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:24,680 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:24,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-09 00:06:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:25,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:25,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:25,318 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:26,690 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:26,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:26,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:26,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:26,703 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:26,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:26,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:26,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:26,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:26,707 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:26,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-09 00:06:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:27,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:27,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:27,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:28,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-09 00:06:28,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:28,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:28,994 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:28,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:28,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:28,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:28,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:29,001 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:29,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-09 00:06:29,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:29,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:29,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:29,754 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:31,570 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:31,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:31,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:31,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:31,582 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:31,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:31,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:31,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:31,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:31,586 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:31,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-09 00:06:32,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:32,139 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:32,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:32,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:32,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:33,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-09 00:06:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:33,965 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:33,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:33,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:33,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:33,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:33,972 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:33,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-09 00:06:34,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:34,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:34,639 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:34,640 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:36,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:36,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:36,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:36,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:36,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:36,145 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:36,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-09 00:06:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:36,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:36,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:36,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:36,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:38,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:38,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:38,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:38,421 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:38,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:38,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:38,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:38,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:38,425 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:38,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-09 00:06:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:38,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:39,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:39,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:39,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:40,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:40,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:40,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:40,466 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:40,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:40,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:40,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:40,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:40,470 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:40,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-09 00:06:41,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:41,099 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:41,180 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:41,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:43,017 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:43,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:43,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:43,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:43,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:43,030 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:43,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-09 00:06:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:43,559 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:43,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:43,635 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:43,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:45,143 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:45,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:45,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:45,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:45,154 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:45,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:45,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:45,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:45,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:45,161 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:45,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-09 00:06:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:45,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:45,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:45,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:47,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-09 00:06:47,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:47,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:47,471 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:47,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:47,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:47,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:47,473 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:47,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-09 00:06:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:48,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:48,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:48,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:48,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:49,720 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:49,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-09 00:06:49,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:49,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:49,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:49,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:49,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:49,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:49,732 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:49,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-09 00:06:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:50,300 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:50,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:50,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:51,941 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:51,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-09 00:06:51,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:51,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:51,950 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:51,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:51,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:51,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:51,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:51,954 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:51,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-09 00:06:52,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:52,500 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:52,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:52,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:54,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:54,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:54,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:54,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:54,322 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:54,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-09 00:06:54,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:54,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:54,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:54,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:54,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:56,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-09 00:06:56,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:56,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:56,458 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:56,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:56,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:56,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:56,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:56,462 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:56,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-09 00:06:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:57,122 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:57,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:57,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:06:58,840 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:06:58,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-09 00:06:58,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:06:58,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:06:58,851 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:06:58,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:06:58,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:06:58,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:06:58,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:06:58,855 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:06:58,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-09 00:06:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:59,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:06:59,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:06:59,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:06:59,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:00,997 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:01,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:01,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:01,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:01,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:01,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:01,018 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:01,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-09 00:07:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:01,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:01,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:01,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:03,201 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:03,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:03,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:03,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:03,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:03,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:03,215 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:03,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-09 00:07:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:03,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:03,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:03,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:05,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:05,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:05,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:05,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:05,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:05,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:05,421 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:05,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-09 00:07:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:05,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:06,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:06,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:07,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:07,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:07,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:07,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:07,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:07,577 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:07,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-09 00:07:08,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:08,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:08,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:08,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:10,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-09 00:07:10,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:10,046 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:10,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:10,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:10,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:10,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:10,049 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:10,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-09 00:07:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:10,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:10,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:10,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:10,712 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:12,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-09 00:07:12,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:12,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:12,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:12,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:12,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:12,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:12,257 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:12,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-09 00:07:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:12,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:12,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:12,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:12,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:14,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-09 00:07:14,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:14,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:14,432 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:14,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:14,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:14,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:14,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:14,438 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:14,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-09 00:07:15,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:15,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:15,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:15,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:16,590 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:16,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:16,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:16,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:16,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:16,607 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:16,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-09 00:07:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:17,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:17,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:17,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:18,835 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:18,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:18,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:18,844 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:18,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:18,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:18,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:18,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:18,847 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:18,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-09 00:07:19,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:19,395 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:19,481 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:19,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:21,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:21,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:21,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:21,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:21,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:21,106 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:21,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-09 00:07:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:21,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:21,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:21,834 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:23,295 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:23,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:23,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:23,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:23,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:23,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:23,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:23,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:23,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:23,310 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:23,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-09 00:07:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:23,933 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:24,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:24,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:25,642 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:25,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-09 00:07:25,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:25,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:25,656 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:25,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:25,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:25,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:25,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:25,659 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:25,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-09 00:07:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:26,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:26,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:26,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:27,726 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:27,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-09 00:07:27,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:27,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:27,736 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:27,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:27,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:27,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:27,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:27,738 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:27,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-09 00:07:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:28,323 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:28,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:28,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:28,431 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:30,057 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:30,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:30,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:30,066 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:30,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:30,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:30,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:30,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:30,070 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:30,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-09 00:07:30,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:30,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:30,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:30,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:32,609 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:32,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:32,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:32,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:32,624 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:32,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:32,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:32,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:32,629 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:32,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-09 00:07:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:33,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:33,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:33,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:35,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:35,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:35,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:35,186 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:35,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:35,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:35,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:35,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:35,191 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:35,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-09 00:07:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:35,838 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:35,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:35,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:35,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:37,594 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:37,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:37,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:37,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:37,608 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:37,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:37,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:37,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:37,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:37,611 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:37,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-09 00:07:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:38,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:38,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:38,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:40,316 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:40,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:40,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:40,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:40,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:40,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:40,331 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:40,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-09 00:07:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:40,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:41,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:41,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:41,048 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:42,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:42,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:42,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:42,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:42,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:42,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:42,969 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:42,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-09 00:07:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:43,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:43,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:43,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:45,577 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:45,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:45,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:45,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:45,589 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:45,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:45,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:45,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:45,591 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:45,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-09 00:07:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:46,219 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:46,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:46,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:48,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-09 00:07:48,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:48,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:48,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:48,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:48,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:48,031 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:48,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-09 00:07:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:48,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:48,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:48,752 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:50,483 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:50,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-09 00:07:50,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:50,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:50,493 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:50,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:50,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:50,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:50,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:50,497 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:50,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-09 00:07:51,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:51,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:51,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:51,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:52,919 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:52,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-09 00:07:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:52,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:52,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:52,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:52,937 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:52,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-09 00:07:53,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:53,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:53,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:53,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:53,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:55,462 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:55,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-09 00:07:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:55,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:55,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:55,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:55,475 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:55,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-09 00:07:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:56,096 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:56,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:56,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:07:57,920 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:07:57,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-09 00:07:57,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:07:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:07:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:07:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:07:57,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:07:57,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:07:57,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:07:57,932 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:07:57,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-09 00:07:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:58,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:07:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:07:58,683 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:07:58,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:00,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-09 00:08:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:00,344 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:00,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:00,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:00,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:00,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:00,347 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:00,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-09 00:08:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:00,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:01,074 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:01,075 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:03,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:03,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:03,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:03,217 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:03,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:03,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:03,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:03,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:03,222 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:03,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-09 00:08:03,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:03,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:03,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:03,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:05,482 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:05,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:05,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:05,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:05,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:05,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:05,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:05,495 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:05,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-09 00:08:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:06,111 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:06,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:06,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:07,983 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:07,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:07,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:07,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:07,993 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:07,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:07,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:07,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:07,994 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:07,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-09 00:08:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:08,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:08,762 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:08,763 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:10,576 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:10,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:10,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:10,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:10,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:10,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:10,583 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:10,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-09 00:08:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:11,183 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:11,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:11,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:11,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:13,207 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:13,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:13,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:13,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:13,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:13,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:13,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:13,224 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:13,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-09 00:08:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:13,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:13,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:13,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:13,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:15,573 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:15,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:15,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:15,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:15,584 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:15,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:15,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:15,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:15,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:15,585 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:15,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-09 00:08:16,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:16,188 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:16,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:16,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:17,906 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:17,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-09 00:08:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:17,916 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:17,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:17,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:17,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:17,919 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:17,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-09 00:08:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:18,536 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:18,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:18,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:20,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-09 00:08:20,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:20,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:20,291 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:20,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:20,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:20,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:20,295 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:20,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-09 00:08:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:20,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:20,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:20,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:22,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:22,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:22,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:22,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:22,334 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:22,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-09 00:08:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:22,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:23,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:23,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:24,768 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:24,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:24,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:24,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:24,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:24,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:24,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:24,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:24,788 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:24,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-09 00:08:25,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:25,405 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:25,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:25,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:27,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-09 00:08:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:27,315 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:27,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:27,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:27,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:27,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:27,317 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:27,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-09 00:08:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:27,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:28,061 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:28,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:29,747 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:29,752 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:29,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:29,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:29,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:29,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:29,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:29,760 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:29,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-09 00:08:30,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:30,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:30,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:30,454 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:30,455 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:32,197 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:32,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:32,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:32,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:32,206 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:32,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:32,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:32,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:32,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:32,208 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:32,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-09 00:08:32,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:32,968 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:33,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:33,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:33,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:34,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-09 00:08:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:34,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:34,830 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:34,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:34,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:34,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:34,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:34,832 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:34,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-09 00:08:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:35,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:35,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:35,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:37,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:37,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:37,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:37,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:37,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:37,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:37,183 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:37,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-09 00:08:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:37,778 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:37,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:37,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:39,579 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:39,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:39,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:39,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:39,589 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:39,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:39,589 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:39,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:39,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:39,591 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:39,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-09 00:08:40,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:40,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:40,302 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:40,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:42,046 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:42,051 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:42,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:42,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:42,057 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:42,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:42,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:42,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:42,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:42,058 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:42,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-09 00:08:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:42,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:42,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:42,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:44,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:44,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:44,545 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:44,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:44,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:44,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:44,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:44,549 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:44,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-09 00:08:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:45,150 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:45,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:45,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:46,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:46,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-09 00:08:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:46,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:46,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:46,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:46,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:46,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:46,874 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:46,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-09 00:08:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:47,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:47,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:47,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:49,152 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:49,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-09 00:08:49,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:49,162 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:49,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:49,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:49,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:49,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:49,166 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:49,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-09 00:08:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:49,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:49,928 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:49,929 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:51,638 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:51,642 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:51,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:51,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:51,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:51,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:51,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:51,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:51,652 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:51,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-09 00:08:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:52,249 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:52,337 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:52,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:53,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:53,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:53,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:53,935 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:53,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:53,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:53,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:53,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:53,936 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:53,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-09 00:08:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:54,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:54,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:54,620 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:56,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-09 00:08:56,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:56,271 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:56,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:56,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:56,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:56,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:56,274 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:56,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-09 00:08:56,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:56,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:56,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:56,949 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:08:58,505 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:08:58,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-09 00:08:58,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:08:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:08:58,516 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:08:58,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:08:58,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:08:58,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:08:58,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:08:58,518 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:08:58,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-09 00:08:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:59,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:08:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:08:59,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:08:59,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:00,798 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:00,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:00,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:00,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:00,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:00,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:00,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:00,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:00,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:00,810 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:00,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-09 00:09:01,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:01,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:01,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:01,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:03,215 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:03,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:03,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:03,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:03,225 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:03,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:03,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:03,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:03,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:03,227 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:03,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-09 00:09:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:03,821 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:03,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:03,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:05,484 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:05,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:05,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:05,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:05,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:05,498 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:05,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-09 00:09:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:06,100 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:06,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:06,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:07,673 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:07,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-09 00:09:07,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:07,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:07,682 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:07,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:07,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:07,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:07,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:07,686 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:07,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-09 00:09:08,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:08,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:08,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:08,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:10,011 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:10,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-09 00:09:10,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:10,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:10,021 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:10,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:10,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:10,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:10,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:10,025 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:10,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-09 00:09:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:10,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:10,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:10,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:10,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:12,344 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:12,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:12,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:12,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:12,353 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:12,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:12,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:12,356 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:12,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-09 00:09:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:13,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:13,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:13,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:13,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:14,595 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:14,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-09 00:09:14,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:14,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:14,607 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:14,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:14,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:14,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:14,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:14,610 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:14,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-09 00:09:15,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:15,225 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:15,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:15,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:16,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:16,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:16,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:16,927 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:16,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:16,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:16,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:16,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:16,928 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:16,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-09 00:09:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:17,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:17,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:17,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:19,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:19,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:19,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:19,198 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:19,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:19,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:19,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:19,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:19,200 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:19,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-09 00:09:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:19,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:19,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:19,887 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:21,612 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:21,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:21,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:21,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:21,622 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:21,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:21,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:21,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:21,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:21,625 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:21,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-09 00:09:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:22,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:22,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:22,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:24,067 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:24,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:24,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:24,077 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:24,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:24,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:24,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:24,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:24,079 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:24,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-09 00:09:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:24,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:24,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:24,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:26,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:26,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:26,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:26,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:26,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:26,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:26,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:26,754 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:26,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-09 00:09:27,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:27,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:27,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:27,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:27,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:29,210 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:29,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:29,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:29,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:29,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:29,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:29,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:29,222 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:29,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-09 00:09:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:29,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:29,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:29,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:31,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-09 00:09:31,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:31,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:31,487 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:31,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:31,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:31,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:31,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:31,488 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:31,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-09 00:09:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:32,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:32,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:32,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:33,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:33,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-09 00:09:33,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:33,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:33,875 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:33,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:33,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:33,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:33,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:33,878 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:33,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-09 00:09:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:34,480 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:34,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:34,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:36,147 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:36,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-09 00:09:36,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:36,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:36,160 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:36,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:36,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:36,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:36,164 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:36,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-09 00:09:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:36,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:36,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:36,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:38,553 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:38,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:38,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:38,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:38,565 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:38,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:38,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:38,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:38,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:38,569 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:38,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-09 00:09:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:39,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:39,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:39,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:39,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:41,039 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:41,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:41,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:41,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:41,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:41,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:41,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:41,051 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:41,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-09 00:09:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:41,728 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:41,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:41,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:41,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:43,537 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:43,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:43,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:43,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:43,549 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:43,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:43,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:43,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:43,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:43,553 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:43,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-09 00:09:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:44,171 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:44,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:44,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:45,995 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:46,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:46,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:46,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:46,006 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:46,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:46,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:46,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:46,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:46,008 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:46,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-09 00:09:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:46,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:46,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:46,696 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:48,429 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:48,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:48,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:48,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:48,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:48,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:48,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:48,440 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:48,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-09 00:09:49,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:49,059 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:49,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:49,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:50,927 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:50,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:50,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:50,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:50,937 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:50,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:50,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:50,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:50,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:50,940 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:50,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-09 00:09:51,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:51,534 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:51,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:51,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:53,168 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:53,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:53,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:53,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:53,178 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:53,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:53,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:53,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:53,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:53,179 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:53,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-09 00:09:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:53,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:53,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:53,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:55,582 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:55,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:55,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:55,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:55,593 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:55,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:55,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:55,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:55,595 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:55,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-09 00:09:56,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:56,186 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:56,270 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:56,271 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:09:57,982 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:09:57,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-09 00:09:57,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:09:57,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:09:57,992 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:09:57,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:09:57,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:09:57,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:09:57,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:09:57,996 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:09:58,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-09 00:09:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:58,593 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:09:58,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:09:58,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:09:58,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:00,314 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:00,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-09 00:10:00,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:00,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:00,325 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:00,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:00,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:00,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:00,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:00,327 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:00,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-09 00:10:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:00,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:01,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:01,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:02,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:02,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:02,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:02,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:02,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:02,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:02,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:02,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:02,625 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:02,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-09 00:10:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:03,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:03,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:03,328 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:05,207 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:05,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:05,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:05,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:05,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:05,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:05,221 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:05,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-09 00:10:05,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:05,840 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:05,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:05,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:07,435 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:07,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:07,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:07,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:07,444 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:07,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:07,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:07,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:07,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:07,446 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:07,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-09 00:10:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:08,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:08,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:08,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:09,749 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:09,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:09,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:09,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:09,761 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:09,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-09 00:10:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:10,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:10,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:10,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:12,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:12,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:12,104 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:12,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:12,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:12,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:12,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:12,105 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:12,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-09 00:10:12,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:12,702 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:12,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:12,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:14,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:14,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:14,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:14,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:14,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:14,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:14,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:14,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:14,633 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:14,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-09 00:10:15,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:15,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:15,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:15,394 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:17,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:17,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:17,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:17,047 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:17,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:17,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:17,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:17,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:17,049 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:17,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-09 00:10:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:17,663 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:17,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:17,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:17,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:19,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:19,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:19,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:19,373 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:19,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:19,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:19,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:19,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:19,377 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:19,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-09 00:10:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:19,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:20,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:20,087 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:21,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:21,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:21,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:21,641 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:21,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:21,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:21,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:21,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:21,642 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:21,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-09 00:10:22,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:22,246 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:22,321 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:22,322 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:23,926 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:23,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:23,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:23,935 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:23,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:23,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:23,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:23,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:23,936 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:23,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-09 00:10:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:24,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:24,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:24,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:26,211 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:26,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:26,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:26,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:26,220 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:26,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:26,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:26,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:26,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:26,222 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:26,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-09 00:10:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:26,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:26,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:26,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:28,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:28,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:28,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:28,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:28,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:28,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:28,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:28,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:28,634 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:28,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-09 00:10:29,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:29,234 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:29,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:29,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:29,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:31,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:31,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:31,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:31,059 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:31,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:31,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:31,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:31,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:31,062 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:31,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-09 00:10:31,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:31,661 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:31,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:31,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:33,542 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:33,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:33,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:33,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:33,552 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:33,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:33,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:33,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:33,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:33,556 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:33,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-09 00:10:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:34,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:34,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:34,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:35,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:35,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-09 00:10:35,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:35,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:35,880 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:35,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:35,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:35,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:35,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:35,881 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:35,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-09 00:10:36,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:36,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:36,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:36,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:38,187 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:38,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:38,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:38,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:38,197 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:38,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:38,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:38,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:38,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:38,199 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:38,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-09 00:10:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:38,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:38,899 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:38,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:40,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:40,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:40,544 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:40,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:40,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:40,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:40,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:40,546 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:40,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-09 00:10:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:41,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:41,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:41,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:41,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:42,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:43,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:43,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:43,000 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:43,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:43,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:43,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:43,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:43,003 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:43,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-09 00:10:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:43,606 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:43,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:43,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:45,307 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:45,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:45,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:45,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:45,317 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:45,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:45,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:45,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:45,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:45,319 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:45,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-09 00:10:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:45,915 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:46,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:46,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:47,691 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:47,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:47,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:47,701 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:47,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:47,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:47,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:47,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:47,702 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:47,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-09 00:10:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:48,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:48,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:48,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:48,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:49,985 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:49,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:49,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:49,992 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:49,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:49,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:49,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:49,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:49,994 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:49,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-09 00:10:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:50,590 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:50,671 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:50,672 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:52,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-09 00:10:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:52,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:52,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:52,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:52,298 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:52,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-09 00:10:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:53,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:53,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:53,081 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:54,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:54,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:54,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:54,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:54,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:54,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:54,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:54,826 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:54,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-09 00:10:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:55,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:55,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:55,524 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:57,207 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:57,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-09 00:10:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:57,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:57,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:57,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:57,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:57,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:57,220 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:57,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-09 00:10:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:57,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:10:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:10:57,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:10:57,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:10:59,532 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:10:59,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-09 00:10:59,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:10:59,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:10:59,543 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:10:59,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:10:59,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:10:59,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:10:59,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:10:59,544 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:10:59,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-09 00:11:00,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:00,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:00,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:00,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:02,045 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:02,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:02,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:02,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:02,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:02,057 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:02,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-09 00:11:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:02,748 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:02,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:02,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:04,472 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:04,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-09 00:11:04,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:04,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:04,481 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:04,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:04,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:04,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:04,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:04,483 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:04,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-09 00:11:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:05,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:05,170 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:05,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:06,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-09 00:11:06,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:06,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:06,736 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:06,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:06,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:06,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:06,739 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:06,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-09 00:11:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:07,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:07,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:07,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:09,078 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:09,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:09,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:09,088 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:09,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:09,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:09,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:09,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:09,090 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:09,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-09 00:11:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:09,678 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:09,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:09,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:11,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-09 00:11:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:11,403 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:11,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:11,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:11,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:11,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:11,406 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:11,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-09 00:11:12,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:12,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:12,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:12,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:12,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:13,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:13,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:13,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:13,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:13,857 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:13,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:13,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:13,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:13,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:13,858 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:13,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-09 00:11:14,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:14,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:14,533 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:14,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:16,470 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:16,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:16,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:16,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:16,480 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:16,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:16,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:16,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:16,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:16,482 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:16,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-09 00:11:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:17,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:17,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:17,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:18,855 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:18,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:18,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:18,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:18,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:18,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:18,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:18,866 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:18,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-09 00:11:19,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:19,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:19,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:19,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:21,260 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:21,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:21,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:21,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:21,270 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:21,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:21,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:21,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:21,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:21,274 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:21,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-09 00:11:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:21,866 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:21,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:21,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:21,959 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:23,750 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:23,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-09 00:11:23,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:23,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:23,759 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:23,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:23,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:23,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:23,761 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:23,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-09 00:11:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:24,349 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:24,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:24,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:26,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:26,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:26,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:26,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:26,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:26,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:26,167 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:26,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-09 00:11:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:26,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:26,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:26,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:28,546 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:28,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:28,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:28,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:28,555 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:28,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:28,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:28,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:28,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:28,558 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:28,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-09 00:11:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:29,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:29,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:29,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:29,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:30,890 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:30,895 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:30,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:30,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:30,900 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:30,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:30,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:30,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:30,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:30,902 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:30,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-09 00:11:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:31,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:31,616 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:31,617 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:33,456 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:33,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-09 00:11:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:33,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:33,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:33,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:33,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:33,468 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:33,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-09 00:11:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:34,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:34,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:34,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:34,176 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:35,792 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:35,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:35,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:35,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:35,802 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:35,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:35,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:35,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:35,804 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:35,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-09 00:11:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:36,396 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:36,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:36,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:38,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-09 00:11:38,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:38,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:38,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:38,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:38,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:38,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:38,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:38,276 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:38,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-09 00:11:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:38,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:38,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:38,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:40,593 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:40,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:40,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:40,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:40,603 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:40,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:40,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:40,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:40,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:40,604 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:40,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-09 00:11:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:41,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:41,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:41,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:43,076 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:43,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (147)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:43,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:43,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:43,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:43,088 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-09 00:11:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:43,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:43,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:43,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:45,370 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:45,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-09 00:11:45,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:45,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:45,380 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:45,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:45,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:45,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:45,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:45,382 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:45,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-09 00:11:46,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:46,003 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:46,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:46,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:46,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:47,871 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:47,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (149)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:47,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:47,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:47,879 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:47,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:47,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:47,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:47,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:47,881 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:47,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-09 00:11:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:48,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:48,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:48,583 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:50,246 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:50,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-09 00:11:50,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:50,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:50,255 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:50,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:50,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:50,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:50,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:50,257 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:50,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-09 00:11:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:50,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:50,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:50,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:52,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-09 00:11:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:52,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:52,932 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:52,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:52,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:52,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:52,935 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:52,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-09 00:11:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:53,560 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:53,659 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:53,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:55,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:55,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:55,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:55,327 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:55,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:55,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:55,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:55,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:55,328 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:55,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-09 00:11:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:55,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:55,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:55,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:55,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:57,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:57,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:57,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:57,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:57,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:57,691 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:57,694 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:57,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-09 00:11:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:58,307 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:11:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:11:58,392 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:11:58,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:11:59,916 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:11:59,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-11-09 00:11:59,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:11:59,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:11:59,926 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:11:59,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:11:59,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:11:59,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:11:59,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:11:59,928 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:11:59,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-09 00:12:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:00,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:00,629 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:00,630 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:02,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:02,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:02,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:02,296 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:02,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:02,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:02,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:02,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:02,299 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:02,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-09 00:12:03,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:03,021 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:03,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:03,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:04,895 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:04,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-09 00:12:04,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:04,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:04,905 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:04,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:04,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:04,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:04,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:04,906 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:04,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-09 00:12:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:05,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:05,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:05,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:07,264 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:07,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:07,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:07,273 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:07,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:07,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:07,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:07,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:07,275 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:07,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-09 00:12:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:07,883 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:07,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:07,983 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:09,715 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:09,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-09 00:12:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:09,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:09,727 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:09,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:09,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:09,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:09,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:09,731 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:09,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-09 00:12:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:10,601 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:10,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:10,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:10,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:12,265 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:12,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:12,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:12,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:12,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:12,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:12,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:12,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:12,276 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:12,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-09 00:12:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:12,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:13,068 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:13,069 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:14,717 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:14,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-09 00:12:14,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:14,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:14,727 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:14,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:14,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:14,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:14,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:14,728 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:14,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-09 00:12:15,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:15,324 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:15,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:15,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:17,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:17,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:17,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:17,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:17,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:17,017 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:17,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-09 00:12:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:17,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:17,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:17,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:17,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:19,256 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:19,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:19,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:19,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:19,268 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:19,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:19,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:19,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:19,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:19,272 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:19,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-09 00:12:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:19,894 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:19,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:19,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:21,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:21,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:21,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:21,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:21,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:21,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:21,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:21,570 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:21,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-09 00:12:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:22,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:22,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:22,303 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:24,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-09 00:12:24,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:24,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:24,171 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:24,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:24,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:24,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:24,175 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:24,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-09 00:12:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:24,770 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:24,852 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:24,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:26,618 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:26,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-09 00:12:26,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:26,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:26,628 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:26,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:26,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:26,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:26,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:26,632 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:26,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-09 00:12:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:27,235 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:27,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:27,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:28,978 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:28,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-09 00:12:28,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:28,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:28,988 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:28,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:28,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:28,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:28,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:28,991 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:28,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-09 00:12:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:29,611 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:29,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:29,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:29,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:31,371 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:31,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:31,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:31,381 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:31,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:31,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:31,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:31,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:31,385 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:31,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-09 00:12:32,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:32,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:32,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:32,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:32,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:34,020 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:34,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (168)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:34,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:34,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:34,029 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:34,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:34,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:34,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:34,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:34,031 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:34,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-09 00:12:34,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:34,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:34,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:34,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:34,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:36,231 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:36,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:36,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:36,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:36,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:36,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:36,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:36,242 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:36,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-09 00:12:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:36,832 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:36,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:36,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:38,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:38,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:38,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:38,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:38,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:38,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:38,518 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:38,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-09 00:12:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:39,107 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:39,223 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:39,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:40,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:40,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:40,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:40,769 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:40,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:40,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:40,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:40,771 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:40,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-09 00:12:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:41,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:41,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:41,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:41,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:42,922 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:42,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-09 00:12:42,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:42,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:42,934 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:42,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:42,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:42,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:42,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:42,938 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:42,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-09 00:12:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:43,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:43,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:43,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:45,149 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:45,154 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:45,159 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:45,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:45,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:45,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:45,162 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:45,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-09 00:12:45,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:45,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:45,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:45,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:47,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:47,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-09 00:12:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:47,403 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:47,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:47,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:47,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:47,405 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:47,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-09 00:12:48,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:48,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:48,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:48,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:49,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:49,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:49,620 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:49,620 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:49,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:49,622 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:49,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-09 00:12:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:50,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:50,313 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:50,314 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:51,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-09 00:12:51,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:51,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:51,971 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:51,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:51,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:51,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:51,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:51,974 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:51,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-09 00:12:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:52,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:52,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:52,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:54,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:54,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:54,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:54,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:54,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:54,390 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:54,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-09 00:12:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:54,979 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:55,063 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:55,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:56,682 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:56,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:56,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:56,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:56,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:56,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:56,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:56,694 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:56,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-09 00:12:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:57,290 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:57,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:57,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:12:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:12:59,010 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-11-09 00:12:59,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:12:59,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:12:59,015 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:12:59,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:12:59,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:12:59,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:12:59,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:12:59,017 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:12:59,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-09 00:12:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:59,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:12:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:12:59,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:12:59,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:01,243 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:01,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:01,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:01,253 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:01,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:01,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:01,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:01,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:01,255 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:01,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-09 00:13:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:01,843 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:01,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:01,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:03,568 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:03,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (181)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:03,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:03,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:03,576 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:03,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:03,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:03,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:03,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:03,577 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:03,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-09 00:13:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:04,105 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:04,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:04,210 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:04,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:05,671 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:05,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (182)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:05,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:05,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:05,681 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:05,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:05,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:05,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:05,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:05,683 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:05,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-09 00:13:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:06,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:06,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:06,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:07,961 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:07,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-09 00:13:07,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:07,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:07,971 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:07,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:07,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:07,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:07,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:07,974 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:07,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-09 00:13:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:08,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:08,652 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:08,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:10,258 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:10,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:10,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:10,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:10,267 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:10,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:10,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:10,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:10,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:10,270 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:10,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-09 00:13:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:10,876 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:10,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:10,979 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:12,606 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:12,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:12,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:12,616 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:12,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:12,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:12,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:12,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:12,617 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:12,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-09 00:13:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:13,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:13,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:13,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:15,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:15,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:15,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:15,071 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:15,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:15,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:15,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:15,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:15,073 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:15,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-09 00:13:15,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:15,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:15,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:15,759 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:15,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:17,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:17,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (187)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:17,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:17,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:17,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:17,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:17,459 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:17,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-09 00:13:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:18,067 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:18,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:18,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:19,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (188)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:19,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:19,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:19,761 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:19,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:19,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:19,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:19,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:19,763 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:19,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-09 00:13:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:20,380 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:20,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:20,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:22,118 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:22,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-09 00:13:22,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:22,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:22,127 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:22,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:22,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:22,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:22,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:22,129 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:22,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-09 00:13:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:22,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:22,982 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:22,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:24,772 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:24,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:24,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:24,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:24,783 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:24,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:24,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:24,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:24,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:24,786 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:24,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-09 00:13:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:25,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:25,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:25,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:25,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:27,263 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:27,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-09 00:13:27,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:27,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:27,274 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:27,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:27,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:27,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:27,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:27,277 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:27,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-09 00:13:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:28,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:28,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:28,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:30,138 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:30,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:30,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:30,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:30,147 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:30,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:30,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:30,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:30,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:30,150 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:30,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-09 00:13:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:30,762 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:30,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:30,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:32,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-09 00:13:32,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:32,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:32,729 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:32,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:32,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:32,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:32,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:32,731 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:32,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-09 00:13:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:33,387 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:33,479 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:33,480 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:35,128 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:35,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-09 00:13:35,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:35,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:35,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:35,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:35,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:35,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:35,172 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:35,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-09 00:13:35,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:35,930 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:36,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:36,032 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:36,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:37,536 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:37,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (195)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:37,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:37,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:37,546 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:37,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:37,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:37,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:37,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:37,550 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:37,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-09 00:13:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:38,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:38,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:38,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:38,324 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:39,989 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:39,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-09 00:13:39,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:39,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:39,999 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:40,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:40,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:40,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:40,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:40,001 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:40,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-09 00:13:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:40,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:40,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:40,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:41,972 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:41,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:41,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:41,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:41,982 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:41,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:41,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:41,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:41,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:41,985 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:41,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-09 00:13:42,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:42,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:42,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:42,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:44,595 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:44,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:44,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:44,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:44,605 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:44,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:44,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:44,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:44,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:44,608 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:44,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-09 00:13:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:45,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:45,245 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:45,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:46,837 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:46,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-09 00:13:46,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:46,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:46,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:46,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:46,849 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:46,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-09 00:13:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:47,447 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:47,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:47,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:49,085 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:49,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:49,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:49,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:49,094 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:49,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:49,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:49,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:49,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:49,095 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:49,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-09 00:13:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:49,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:49,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:49,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:49,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:51,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:51,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:51,221 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:51,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:51,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:51,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:51,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:51,222 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-09 00:13:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:51,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:51,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:51,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:53,317 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:53,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (202)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:53,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:53,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:53,327 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:53,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:53,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:53,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:53,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:53,332 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:53,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-09 00:13:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:53,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:54,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:54,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:55,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:55,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:55,515 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:55,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:55,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:55,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:55,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:55,516 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:55,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-09 00:13:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:56,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:56,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:56,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:57,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:57,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:57,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:57,419 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:57,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:57,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:57,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:57,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:57,420 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:57,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-09 00:13:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:57,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:13:58,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:13:58,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:13:58,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:13:59,504 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:13:59,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (205)] Forceful destruction successful, exit code 0 [2024-11-09 00:13:59,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:13:59,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:13:59,513 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:13:59,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:13:59,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:13:59,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:13:59,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:13:59,514 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:13:59,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-09 00:14:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:00,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:00,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:00,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:00,106 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:01,559 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:01,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (206)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:01,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:01,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:01,567 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:01,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:01,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:01,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:01,572 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:01,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-09 00:14:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:02,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:02,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:02,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:03,841 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:03,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:03,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:03,850 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:03,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:03,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:03,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:03,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:03,851 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:03,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-09 00:14:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:04,383 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:04,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:04,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:05,962 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:05,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (208)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:05,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:05,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:05,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:05,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:05,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:05,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:05,973 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:05,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-09 00:14:06,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:06,529 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:06,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:06,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:06,626 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:07,964 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:07,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-09 00:14:07,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:07,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:07,972 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:07,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:07,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:07,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:07,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:07,973 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:07,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-09 00:14:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:08,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:08,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:08,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:08,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:10,025 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:10,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:10,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:10,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:10,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:10,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:10,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:10,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:10,038 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:10,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-09 00:14:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:10,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:10,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:10,669 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:10,670 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:12,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (211)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:12,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:12,094 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:12,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:12,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:12,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:12,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:12,095 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:12,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-09 00:14:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:12,676 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:12,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:12,788 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:14,309 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:14,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:14,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:14,318 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:14,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:14,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:14,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:14,319 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:14,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-09 00:14:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:14,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:14,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:14,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:16,537 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:16,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-09 00:14:16,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:16,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:16,546 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:16,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:16,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:16,546 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:16,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:16,547 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:16,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-09 00:14:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:17,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:17,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:17,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:17,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:18,614 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:18,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (214)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:18,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:18,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:18,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:18,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:18,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:18,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:18,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:18,624 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:18,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-09 00:14:19,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:19,155 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:19,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:19,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:20,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-09 00:14:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:20,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:20,581 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:20,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:20,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:20,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:20,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:20,583 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:20,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-09 00:14:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:21,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:21,196 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:21,197 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:22,584 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:22,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-09 00:14:22,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:22,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:22,597 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:22,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:22,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:22,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:22,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:22,601 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:22,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-09 00:14:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:23,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:23,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:23,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:23,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:24,692 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:24,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-09 00:14:24,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:24,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:24,700 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:24,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:24,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:24,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:24,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:24,702 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:24,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-09 00:14:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:25,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:25,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:25,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:26,665 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:26,669 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:26,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:26,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:26,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:26,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:26,674 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:26,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-09 00:14:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:27,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:27,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:27,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:27,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:28,657 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:28,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:28,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:28,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:28,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:28,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:28,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:28,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:28,667 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:28,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-09 00:14:29,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:29,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:29,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:29,301 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:30,731 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:30,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:30,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:30,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:30,740 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:30,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:30,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:30,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:30,741 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:30,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-09 00:14:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:31,262 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:31,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:31,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:31,355 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:32,903 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:32,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:32,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:32,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:32,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:32,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:32,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:32,914 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:32,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-09 00:14:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:33,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:33,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:33,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:34,927 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:34,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-09 00:14:34,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:34,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:34,937 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:34,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:34,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:34,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:34,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:34,939 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:34,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-09 00:14:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:35,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:35,622 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:35,623 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:37,034 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:37,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:37,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:37,042 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:37,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:37,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:37,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:37,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:37,043 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:37,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-09 00:14:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:37,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:37,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:37,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:39,156 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:39,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-09 00:14:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:39,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:39,165 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:39,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:39,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:39,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:39,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:39,166 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:39,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-09 00:14:39,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:39,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:39,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:39,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:39,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:41,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:41,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:41,467 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:41,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:41,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:41,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:41,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:41,470 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:41,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-09 00:14:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:42,061 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:42,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:42,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:43,738 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:43,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (226)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:43,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:43,748 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:43,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:43,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:43,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:43,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:43,749 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:43,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-09 00:14:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:44,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:44,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:44,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:44,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:45,717 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:45,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-09 00:14:45,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:45,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:45,725 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:45,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:45,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:45,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:45,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:45,726 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:45,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-09 00:14:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:46,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:46,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:46,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:46,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:47,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-09 00:14:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:47,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:47,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:47,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:47,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:47,768 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:47,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-09 00:14:48,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:48,294 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:48,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:48,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:49,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:49,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:49,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:49,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:49,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:49,860 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:49,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-09 00:14:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:50,419 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:50,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:50,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:52,014 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:52,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:52,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:52,023 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:52,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:52,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:52,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:52,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:52,024 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:52,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-09 00:14:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:52,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:52,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:52,711 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:54,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:54,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:54,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:54,058 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:54,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:54,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:54,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:54,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:54,061 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:54,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-09 00:14:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:54,619 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:54,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:54,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:56,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-09 00:14:56,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:56,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:56,195 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:56,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:56,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:56,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:56,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:56,196 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:56,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-09 00:14:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:56,720 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:56,794 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:56,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:14:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:14:58,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-09 00:14:58,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:14:58,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:14:58,462 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:14:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:14:58,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:14:58,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:14:58,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:14:58,464 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:14:58,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-09 00:14:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:14:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:14:59,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:14:59,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:00,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:00,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:00,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:00,643 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:00,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:00,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:00,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:00,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:00,648 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:00,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-09 00:15:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:01,308 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:01,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:01,388 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:02,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:02,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:02,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:02,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:02,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:02,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:02,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:02,790 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:02,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-09 00:15:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:03,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:03,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:05,092 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:05,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:05,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:05,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:05,101 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:05,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:05,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:05,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:05,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:05,102 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:05,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-09 00:15:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:05,638 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:05,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:05,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:07,364 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:07,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-09 00:15:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:07,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:07,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:07,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:07,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:07,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:07,378 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:07,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-09 00:15:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:07,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:08,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:08,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:09,552 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:09,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (238)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:09,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:09,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:09,560 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:09,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:09,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:09,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:09,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:09,562 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:09,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-09 00:15:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,083 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:10,144 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:10,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:11,513 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:11,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-09 00:15:11,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:11,521 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:11,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:11,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:11,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:11,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:11,524 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:11,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-09 00:15:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:12,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:12,263 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:12,264 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:14,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:14,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:14,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:14,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:14,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:14,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:14,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:14,177 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:14,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-09 00:15:14,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:14,804 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:14,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:14,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:16,570 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:16,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (241)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:16,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:16,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:16,581 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:16,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:16,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:16,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:16,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:16,584 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:16,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-09 00:15:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:17,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:17,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:17,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:17,241 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:18,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:18,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:18,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:18,815 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:18,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:18,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:18,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:18,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:18,817 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:18,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-09 00:15:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:19,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:19,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:19,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:20,897 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:20,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-09 00:15:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:20,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:20,906 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:20,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:20,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:20,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:20,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:20,908 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:20,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-09 00:15:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:21,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:21,559 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:21,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:23,053 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:23,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:23,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:23,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:23,064 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:23,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:23,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:23,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:23,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:23,065 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:23,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-09 00:15:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:23,637 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:23,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:23,861 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:25,428 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:25,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:25,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:25,439 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:25,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:25,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:25,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:25,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:25,441 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:25,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-09 00:15:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:25,996 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:26,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:26,079 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:27,554 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:27,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (246)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:27,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:27,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:27,563 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:27,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:27,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:27,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:27,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:27,566 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:27,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-09 00:15:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:28,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:28,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:28,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:29,630 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:29,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (247)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:29,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:29,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:29,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:29,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:29,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:29,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:29,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:29,640 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:29,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-09 00:15:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:30,109 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:30,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:30,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:30,177 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:31,783 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:31,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:31,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:31,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:31,792 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:31,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:31,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:31,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:31,793 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:31,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-09 00:15:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:32,344 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:32,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:32,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:32,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:33,964 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:33,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (249)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:33,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:33,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:33,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:33,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:33,980 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:33,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-09 00:15:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:34,549 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:34,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:34,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:36,122 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:36,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-09 00:15:36,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:36,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:36,132 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:36,132 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:36,132 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:36,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:36,133 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:36,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-09 00:15:36,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:36,692 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:36,784 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:36,785 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:38,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (251)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:38,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:38,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:38,236 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:38,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:38,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:38,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:38,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:38,239 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:38,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-09 00:15:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:38,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:38,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:38,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:40,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (252)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:40,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:40,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:40,360 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:40,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:40,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:40,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:40,362 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:40,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-09 00:15:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:40,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:41,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:41,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:42,642 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:42,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:42,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:42,655 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:42,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:42,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:42,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:42,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:42,657 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:42,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-09 00:15:43,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:43,345 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:43,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:43,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:44,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:44,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:44,965 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:44,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:44,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:44,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:44,967 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:44,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-09 00:15:45,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:45,508 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:45,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:45,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:47,026 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:47,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-09 00:15:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:47,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:47,035 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:47,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:47,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:47,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:47,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:47,038 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:47,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-09 00:15:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:47,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:47,665 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:47,666 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:49,249 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:49,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:49,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:49,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:49,258 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:49,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:49,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:49,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:49,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:49,262 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:49,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-09 00:15:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:49,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:49,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:49,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:49,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:51,577 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:51,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-09 00:15:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:51,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:51,590 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:51,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:51,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:51,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:51,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:51,594 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:51,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-09 00:15:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:52,181 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:52,264 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:52,265 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:53,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:53,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:53,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:53,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:53,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:53,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:53,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:53,875 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:53,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-09 00:15:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:54,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:54,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:54,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:55,926 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:55,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (259)] Forceful destruction successful, exit code 0 [2024-11-09 00:15:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:55,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:55,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:55,937 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:55,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-09 00:15:56,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:56,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:56,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:56,641 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:15:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:15:58,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-09 00:15:58,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:15:58,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:15:58,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:15:58,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:15:58,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:15:58,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:15:58,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:15:58,292 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:15:58,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-09 00:15:58,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:58,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:15:58,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:15:58,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:15:58,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:00,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:00,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:00,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:00,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:00,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:00,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:00,530 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:00,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-09 00:16:01,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:01,114 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:01,192 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:01,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:02,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-09 00:16:02,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:02,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:02,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:02,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:02,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:02,780 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:02,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-09 00:16:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:03,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:03,517 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:03,518 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:05,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (263)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:05,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:05,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:05,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:05,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:05,032 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:05,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-09 00:16:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:05,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:05,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:05,633 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:05,634 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:07,171 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:07,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:07,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:07,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:07,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:07,181 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:07,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-09 00:16:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:07,708 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:07,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:07,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:07,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:09,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (265)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:09,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:09,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:09,350 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:09,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:09,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:09,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:09,351 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:09,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-09 00:16:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:09,936 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:10,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:10,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:11,552 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:11,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (266)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:11,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:11,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:11,561 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:11,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:11,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:11,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:11,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:11,563 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:11,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-09 00:16:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:12,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:12,221 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:12,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:13,772 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:13,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:13,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:13,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:13,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:13,783 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:13,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-09 00:16:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:14,333 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:14,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:14,419 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:14,420 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:16,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:16,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:16,064 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:16,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:16,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:16,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:16,066 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:16,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-09 00:16:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:16,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:16,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:16,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:18,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (269)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:18,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:18,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:18,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:18,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:18,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:18,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:18,330 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:18,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-09 00:16:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:18,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:18,945 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:18,946 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:20,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (270)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:20,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:20,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:20,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:20,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:20,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:20,388 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:20,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-09 00:16:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:20,929 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:21,015 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:21,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:22,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:22,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:22,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:22,524 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:22,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:22,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:22,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:22,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:22,525 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:22,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-09 00:16:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:23,101 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:23,168 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:23,169 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:24,878 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:24,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-09 00:16:24,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:24,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:24,889 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:24,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:24,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:24,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:24,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:24,891 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:24,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-09 00:16:25,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:25,470 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:25,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:25,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:27,250 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:27,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (273)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:27,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:27,261 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:27,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:27,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:27,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:27,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:27,262 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:27,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-09 00:16:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:27,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:27,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:27,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:29,514 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:29,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (274)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:29,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:29,522 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:29,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:29,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:29,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:29,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:29,524 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:29,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-09 00:16:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:30,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:30,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:30,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:30,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:31,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (275)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:31,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:31,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:31,736 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:31,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:31,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:31,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:31,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:31,737 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:31,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-09 00:16:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:32,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:32,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:32,386 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:34,126 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:34,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (276)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:34,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:34,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:34,136 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:34,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:34,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:34,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:34,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:34,137 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:34,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-09 00:16:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:34,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:34,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:34,851 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:36,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:36,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:36,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:36,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:36,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:36,409 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:36,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-09 00:16:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:36,973 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:37,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:37,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:38,666 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:38,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (278)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:38,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:38,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:38,675 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:38,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:38,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:38,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:38,677 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:38,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-09 00:16:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:39,281 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:39,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:39,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:39,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:40,887 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:40,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (279)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:40,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:40,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:40,897 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:40,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:40,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:40,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:40,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:40,899 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:40,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-09 00:16:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:41,481 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:41,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:41,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:43,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:43,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (280)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:43,348 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:43,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:43,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:43,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:43,350 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:43,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-09 00:16:43,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:43,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:43,960 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:43,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:45,427 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:45,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:45,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:45,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:45,436 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:45,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:45,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:45,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:45,438 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:45,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-09 00:16:46,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:46,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:46,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:46,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:47,649 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:47,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-09 00:16:47,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:47,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:47,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:47,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:47,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:47,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:47,661 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:47,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-09 00:16:48,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:48,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:48,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:48,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:49,927 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:49,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (283)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:49,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:49,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:49,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:49,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:49,938 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:49,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-09 00:16:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:50,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:50,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:50,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:52,091 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:52,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (284)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:52,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:52,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:52,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:52,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:52,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:52,102 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:52,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-09 00:16:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:52,672 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:52,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:52,786 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:52,787 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:54,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:54,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:54,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:54,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:54,349 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:54,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:54,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:54,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:54,353 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:54,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-09 00:16:54,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:54,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:55,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:55,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:56,721 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:56,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (286)] Forceful destruction successful, exit code 0 [2024-11-09 00:16:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:56,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:56,731 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:56,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:56,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:56,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:56,732 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:56,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-09 00:16:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:57,311 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:57,439 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:57,440 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:16:59,125 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:16:59,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-09 00:16:59,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:16:59,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:16:59,133 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:16:59,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:16:59,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:16:59,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:16:59,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:16:59,135 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:16:59,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-09 00:16:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:59,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:16:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:16:59,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:16:59,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:01,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (288)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:01,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:01,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:01,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:01,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:01,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:01,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:01,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:01,308 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:01,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-09 00:17:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:01,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:01,943 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:01,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:03,694 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:03,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (289)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:03,703 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:03,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:03,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:03,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:03,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:03,705 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:03,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-09 00:17:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:04,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:04,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:04,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:06,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (290)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:06,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:06,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:06,083 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:06,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:06,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:06,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:06,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:06,085 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:06,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-09 00:17:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:06,659 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:06,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:06,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:08,418 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:08,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (291)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:08,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:08,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:08,427 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:08,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:08,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:08,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:08,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:08,429 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:08,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-09 00:17:09,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:09,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:09,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:09,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:10,753 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:10,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (292)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:10,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:10,763 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:10,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:10,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:10,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:10,765 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:10,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-09 00:17:11,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:11,375 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:11,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:11,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:13,009 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:13,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:13,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:13,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:13,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:13,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:13,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:13,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:13,019 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:13,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-09 00:17:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:13,568 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:13,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:13,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:15,179 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:15,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:15,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:15,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:15,188 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:15,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:15,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:15,189 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:15,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-09 00:17:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:15,731 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:15,811 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:15,812 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:17,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (295)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:17,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:17,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:17,377 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:17,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:17,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:17,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:17,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:17,379 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:17,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-09 00:17:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:17,966 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:18,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:18,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:18,070 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:19,712 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:19,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (296)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:19,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:19,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:19,720 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:19,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:19,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:19,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:19,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:19,722 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:19,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-09 00:17:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:20,301 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:20,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:20,393 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:20,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:22,102 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:22,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (297)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:22,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:22,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:22,111 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:22,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:22,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:22,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:22,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:22,114 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:22,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-09 00:17:22,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:22,867 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:22,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:22,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:24,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-09 00:17:24,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:24,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:24,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:24,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:24,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:24,636 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-09 00:17:25,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:25,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:25,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:25,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:27,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:27,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:27,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:27,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:27,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:27,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:27,032 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:27,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-09 00:17:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:27,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:27,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:27,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:29,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:29,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:29,363 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:29,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:29,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:29,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:29,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:29,365 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:29,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-09 00:17:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:29,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:30,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:30,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:30,041 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:31,598 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:31,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-09 00:17:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:31,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:31,611 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:31,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:31,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:31,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:31,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:31,613 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:31,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-09 00:17:32,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:32,206 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:32,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:32,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:32,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:33,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:33,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:33,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:33,789 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:33,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:33,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:33,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:33,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:33,793 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:33,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-09 00:17:34,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:34,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:34,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:34,484 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:34,485 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:36,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:36,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:36,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:36,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:36,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:36,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:36,116 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:36,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-09 00:17:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:36,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:36,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:36,794 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:38,382 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:38,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (304)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:38,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:38,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:38,390 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:38,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:38,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:38,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:38,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:38,392 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:38,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-09 00:17:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:38,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:39,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:39,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:39,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:40,585 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:40,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:40,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:40,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:40,594 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:40,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:40,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:40,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:40,595 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:40,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-09 00:17:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:41,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:41,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:41,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:42,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (306)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:42,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:42,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:42,719 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:42,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:42,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:42,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:42,721 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:42,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-09 00:17:43,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:43,264 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:43,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:43,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:45,121 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:45,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:45,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:45,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:45,130 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:45,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:45,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:45,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:45,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:45,131 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:45,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-09 00:17:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:45,714 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:45,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:45,790 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:45,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:47,707 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:47,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:47,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:47,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:47,716 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:47,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:47,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:47,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:47,717 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:47,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-09 00:17:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:48,286 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:48,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:48,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:48,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:50,202 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:50,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (309)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:50,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:50,212 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:50,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:50,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:50,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:50,214 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:50,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-09 00:17:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:50,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:50,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:50,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:52,575 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:52,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-09 00:17:52,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:52,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:52,589 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:52,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:52,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:52,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:52,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:52,593 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:52,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-09 00:17:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:53,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:53,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:53,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:53,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:54,877 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:54,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-09 00:17:54,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:54,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:54,886 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:54,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:54,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:54,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:54,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:54,889 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:54,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-09 00:17:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:55,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:55,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:55,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:57,223 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:57,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:57,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:57,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:57,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:57,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:57,233 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:57,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-09 00:17:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:57,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:17:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:17:57,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:17:57,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:17:59,524 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:17:59,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-11-09 00:17:59,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:17:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:17:59,533 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:17:59,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:17:59,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:17:59,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:17:59,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:17:59,535 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:17:59,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-09 00:18:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:00,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:00,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:00,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:01,813 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:01,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (314)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:01,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:01,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:01,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:01,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:01,824 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:01,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-09 00:18:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:02,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:02,495 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:02,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:04,275 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:04,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (315)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:04,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:04,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:04,285 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:04,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:04,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:04,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:04,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:04,286 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:04,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-09 00:18:04,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:04,873 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:04,970 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:04,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:06,574 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:06,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (316)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:06,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:06,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:06,584 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:06,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:06,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:06,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:06,585 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:06,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-09 00:18:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:07,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:07,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:07,231 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:07,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:08,797 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:08,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (317)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:08,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:08,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:08,810 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:08,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:08,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:08,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:08,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:08,811 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:08,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-09 00:18:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:09,374 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:09,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:09,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:09,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:11,065 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:11,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (318)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:11,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:11,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:11,075 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:11,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:11,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:11,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:11,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:11,077 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:11,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-09 00:18:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:11,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:11,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:11,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:13,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (319)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:13,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:13,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:13,372 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:13,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:13,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:13,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:13,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:13,373 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:13,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-09 00:18:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:13,972 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:14,077 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:14,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:15,616 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:15,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (320)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:15,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:15,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:15,625 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:15,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:15,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:15,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:15,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:15,626 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:15,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-09 00:18:16,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:16,212 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:16,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:16,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:16,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:17,878 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:17,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-09 00:18:17,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:17,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:17,888 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:17,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:17,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:17,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:17,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:17,889 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:17,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-09 00:18:18,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:18,498 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:18,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:18,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:20,152 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:20,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:20,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:20,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:20,161 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:20,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:20,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:20,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:20,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:20,163 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:20,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-09 00:18:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:20,717 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:20,810 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:20,810 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:22,297 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:22,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (323)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:22,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:22,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:22,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:22,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:22,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:22,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:22,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:22,307 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:22,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-09 00:18:22,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:22,961 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:23,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:23,027 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:24,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:24,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:24,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:24,616 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:24,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:24,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:24,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:24,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:24,617 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:24,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-09 00:18:25,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:25,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:25,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:25,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:25,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:26,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (325)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:26,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:26,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:26,991 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:26,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:26,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:26,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:26,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:26,993 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:26,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-09 00:18:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:27,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:27,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:27,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:29,171 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:29,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:29,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:29,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:29,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:29,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:29,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:29,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:29,185 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:29,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-09 00:18:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:29,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:29,864 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:29,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:31,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:31,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-09 00:18:31,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:31,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:31,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:31,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:31,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:31,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:31,444 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:31,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-09 00:18:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:32,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:32,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:32,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:32,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:33,883 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:33,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (328)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:33,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:33,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:33,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:33,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:33,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:33,894 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:33,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-09 00:18:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:34,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:34,541 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:34,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:36,142 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:36,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (329)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:36,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:36,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:36,151 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:36,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:36,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:36,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:36,152 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:36,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-09 00:18:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:36,693 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:36,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:36,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:38,361 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:38,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (330)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:38,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:38,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:38,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:38,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:38,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:38,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:38,372 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:38,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-09 00:18:38,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:38,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:39,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:39,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:40,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:40,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (331)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:40,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:40,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:40,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:40,812 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:40,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-09 00:18:41,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:41,400 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:41,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:41,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:43,348 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:43,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (332)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:43,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:43,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:43,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:43,359 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:43,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-09 00:18:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:43,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:44,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:44,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:45,603 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:45,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-09 00:18:45,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:45,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:45,613 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:45,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:45,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:45,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:45,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:45,617 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:45,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-09 00:18:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:46,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:46,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:46,296 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:46,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:47,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (334)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:47,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:47,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:47,941 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:47,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:47,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:47,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:47,942 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:47,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-09 00:18:48,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:48,502 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:48,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:48,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:48,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:50,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (335)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:50,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:50,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:50,401 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:50,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:50,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:50,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:50,404 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:50,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-09 00:18:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:51,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:51,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:51,178 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:53,273 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:53,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-09 00:18:53,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:53,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:53,287 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:53,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:53,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:53,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:53,290 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:53,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-09 00:18:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:53,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:54,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:54,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:55,753 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:55,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (337)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:55,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:55,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:55,763 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:55,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:55,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:55,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:55,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:55,764 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:55,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-09 00:18:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:56,356 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:56,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:56,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:18:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:18:58,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (338)] Forceful destruction successful, exit code 0 [2024-11-09 00:18:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:18:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:18:58,270 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:18:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:18:58,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:18:58,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:18:58,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:18:58,274 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:18:58,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-09 00:18:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:58,872 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:18:58,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:18:58,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:18:58,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:00,538 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:00,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-09 00:19:00,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:00,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:00,548 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:00,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:00,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:00,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:00,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:00,549 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:00,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-09 00:19:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:01,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:01,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:01,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:01,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:03,164 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:03,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:03,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:03,169 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:03,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:03,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:03,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:03,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:03,171 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:03,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-09 00:19:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:03,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:03,850 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:03,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:05,595 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (341)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:05,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:05,601 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:05,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:05,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:05,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:05,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:05,602 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:05,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-09 00:19:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:06,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:06,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:06,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:08,037 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:08,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:08,047 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:08,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:08,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:08,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:08,049 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:08,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-09 00:19:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:08,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:08,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:08,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:08,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:10,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (343)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:10,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:10,341 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:10,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:10,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:10,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:10,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:10,343 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:10,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-09 00:19:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:10,947 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:11,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:11,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:11,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:12,555 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:12,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-11-09 00:19:12,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:12,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:12,573 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:12,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:12,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:12,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:12,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:12,576 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:12,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-09 00:19:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:13,213 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:13,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:13,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:15,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (345)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:15,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:15,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:15,448 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:15,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:15,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:15,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:15,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:15,452 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:15,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-09 00:19:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:16,098 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:16,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:16,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:17,897 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:17,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-09 00:19:17,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:17,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:17,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:17,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:17,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:17,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:17,909 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:17,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-09 00:19:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:18,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:18,623 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:18,624 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:20,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (347)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:20,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:20,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:20,349 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:20,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:20,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:20,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:20,351 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:20,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-09 00:19:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:20,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:20,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:20,916 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:22,404 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:22,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (348)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:22,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:22,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:22,414 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:22,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:22,414 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:22,414 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:22,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:22,415 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:22,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-09 00:19:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:23,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:23,187 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:23,188 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:24,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (349)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:24,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:24,916 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:24,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:24,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:24,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:24,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:24,917 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:24,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-09 00:19:25,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:25,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:25,614 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:25,615 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:27,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-09 00:19:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:27,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:27,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:27,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:27,293 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:27,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-09 00:19:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:27,897 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:27,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:27,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:29,626 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (351)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:29,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:29,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:29,631 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:29,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:29,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:29,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:29,632 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:29,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-09 00:19:30,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:30,162 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:30,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:30,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:31,869 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:31,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (352)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:31,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:31,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:31,877 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:31,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:31,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:31,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:31,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:31,879 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:31,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-09 00:19:32,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:32,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:32,607 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:32,609 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:34,361 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:34,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (353)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:34,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:34,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:34,372 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:34,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:34,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:34,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:34,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:34,374 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:34,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-09 00:19:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:35,117 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:35,242 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:35,242 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:37,405 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:37,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-09 00:19:37,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:37,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:37,419 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:37,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:37,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:37,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:37,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:37,420 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:37,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-09 00:19:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:38,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:38,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:38,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:38,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:40,232 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:40,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (355)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:40,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:40,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:40,242 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:40,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:40,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:40,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:40,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:40,244 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:40,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-09 00:19:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:40,845 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:40,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:40,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:40,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:42,595 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:42,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (356)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:42,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:42,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:42,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:42,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:42,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:42,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:42,616 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:42,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-09 00:19:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:43,285 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:43,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:43,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:45,009 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:45,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-09 00:19:45,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:45,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:45,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:45,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:45,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:45,021 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:45,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-09 00:19:45,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:45,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:45,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:45,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:47,213 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:47,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:47,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:47,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:47,223 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:47,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:47,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:47,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:47,224 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:47,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-09 00:19:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:47,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:47,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:47,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:47,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:49,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (359)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:49,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:49,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:49,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:49,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:49,559 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:49,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-09 00:19:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:50,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:50,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:50,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:50,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:51,929 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:51,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (360)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:51,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:51,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:51,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:51,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:51,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:51,943 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:51,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-09 00:19:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:52,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:52,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:52,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:52,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:54,473 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:54,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (361)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:54,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:54,484 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:54,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:54,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:54,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:54,487 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:54,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-09 00:19:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:55,092 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:55,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:55,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:56,959 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:56,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (362)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:56,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:56,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:56,970 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:56,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:56,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:56,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:56,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:56,973 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:56,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-09 00:19:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:57,575 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:19:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:19:57,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:19:57,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:19:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:19:59,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2024-11-09 00:19:59,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:19:59,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:19:59,490 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:19:59,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:19:59,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:19:59,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:19:59,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:19:59,493 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:19:59,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-09 00:20:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:00,084 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:00,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:00,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:01,851 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:01,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-09 00:20:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:01,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:01,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:01,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:01,863 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:01,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-09 00:20:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:02,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:02,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:02,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:02,535 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:04,311 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:04,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (365)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:04,321 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:04,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:04,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:04,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:04,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:04,322 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:04,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-09 00:20:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:04,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:05,003 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:05,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:06,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:06,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (366)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:06,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:06,772 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:06,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:06,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:06,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:06,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:06,774 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:06,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-09 00:20:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:07,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:07,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:07,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:09,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (367)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:09,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:09,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:09,158 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:09,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:09,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:09,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:09,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:09,159 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:09,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-09 00:20:09,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:09,780 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:09,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:09,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:11,605 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:11,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (368)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:11,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:11,615 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:11,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:11,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:11,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:11,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:11,617 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:11,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-09 00:20:12,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:12,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:12,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:12,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:13,969 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:13,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (369)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:13,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:13,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:13,983 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:13,984 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:13,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:13,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:13,987 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:13,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-09 00:20:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:14,605 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:14,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:14,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:16,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (370)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:16,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:16,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:16,483 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:16,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:16,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:16,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:16,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:16,484 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:16,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-09 00:20:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:17,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:17,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:17,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:18,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:18,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (371)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:18,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:18,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:18,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:18,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:18,697 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:18,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-09 00:20:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:19,289 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:19,383 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:19,384 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:21,118 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:21,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-09 00:20:21,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:21,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:21,128 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:21,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:21,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:21,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:21,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:21,129 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:21,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-09 00:20:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:21,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:21,798 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:21,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:23,277 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:23,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-09 00:20:23,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:23,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:23,287 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:23,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:23,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:23,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:23,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:23,288 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:23,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-09 00:20:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:23,935 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:24,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:24,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:24,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:25,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (374)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:25,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:25,607 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:25,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:25,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:25,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:25,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:25,609 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:25,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-09 00:20:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:26,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:26,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:26,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:27,808 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:27,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (375)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:27,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:27,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:27,817 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:27,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:27,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:27,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:27,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:27,819 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:27,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-09 00:20:28,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:28,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-09 00:20:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:20:28,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 00:20:28,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:20:30,117 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-09 00:20:30,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (376)] Forceful destruction successful, exit code 0 [2024-11-09 00:20:30,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:20:30,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-09 00:20:30,130 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-09 00:20:30,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 00:20:30,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:20:30,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-09 00:20:30,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-09 00:20:30,132 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-09 00:20:30,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b519644b-2c8b-4d6f-8134-15edb05e2e13/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process