./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 d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/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_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3 --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 0.3.0-dev-d790fec [2024-11-25 02:35:05,847 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:35:05,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:35:05,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:35:05,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:35:05,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:35:05,955 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:35:05,955 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:35:05,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:35:05,956 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:35:05,956 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:35:05,956 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:35:05,956 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:35:05,956 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:35:05,956 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:35:05,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:35:05,958 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:35:05,958 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:35:05,958 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:35:05,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:35:05,958 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:05,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:35:05,959 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:35:05,959 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:35:05,959 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:35:05,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:35:05,959 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:35:06,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:35:06,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:35:06,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:35:06,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:35:06,274 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:35:06,277 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-25 02:35:09,192 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/e0168e20b/6e0a43cef2844492841610d605625479/FLAGe2536972e [2024-11-25 02:35:09,476 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:09,477 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-25 02:35:09,494 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/e0168e20b/6e0a43cef2844492841610d605625479/FLAGe2536972e [2024-11-25 02:35:09,757 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/e0168e20b/6e0a43cef2844492841610d605625479 [2024-11-25 02:35:09,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:09,763 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:09,764 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:09,765 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:09,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:09,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:09" (1/1) ... [2024-11-25 02:35:09,776 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca006f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:09, skipping insertion in model container [2024-11-25 02:35:09,776 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:09" (1/1) ... [2024-11-25 02:35:09,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:09,948 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_a29a4c22-fe91-41ec-a735-4700d32829ed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-25 02:35:09,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:09,984 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:09,997 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_a29a4c22-fe91-41ec-a735-4700d32829ed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-25 02:35:10,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:10,032 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:10,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10 WrapperNode [2024-11-25 02:35:10,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:10,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:10,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:10,034 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:10,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,065 INFO L138 Inliner]: procedures = 26, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-25 02:35:10,065 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:10,066 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:10,066 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:10,066 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:10,073 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,075 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,080 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,087 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:10,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:10,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:10,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:10,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:10,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:10,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:10,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:10,152 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:35:10,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:35:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:35:10,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:10,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:10,212 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:10,214 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:10,421 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:10,421 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:10,551 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:10,551 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:35:10,552 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:10 BoogieIcfgContainer [2024-11-25 02:35:10,552 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:10,553 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:10,553 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:10,565 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:10,565 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:10" (1/1) ... [2024-11-25 02:35:10,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:10,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:10,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-25 02:35:10,632 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-25 02:35:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:10,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:10,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:35:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:10,822 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:10,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:10,984 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:35:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:35:11,039 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:35:11,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:35:11 ImpRootNode [2024-11-25 02:35:11,073 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:35:11,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:35:11,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:35:11,074 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:35:11,078 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:10" (3/4) ... [2024-11-25 02:35:11,081 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:35:11,082 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:35:11,083 INFO L158 Benchmark]: Toolchain (without parser) took 1319.83ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 44.6MB in the end (delta: 49.4MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-11-25 02:35:11,087 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:11,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.66ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:35:11,088 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.56ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:11,088 INFO L158 Benchmark]: Boogie Preprocessor took 21.15ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 753.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:11,089 INFO L158 Benchmark]: RCFGBuilder took 464.64ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 64.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:35:11,089 INFO L158 Benchmark]: CodeCheck took 520.79ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 44.9MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 02:35:11,089 INFO L158 Benchmark]: Witness Printer took 7.74ms. Allocated memory is still 117.4MB. Free memory was 44.9MB in the beginning and 44.6MB in the end (delta: 367.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:35:11,094 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 52, 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() [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 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.66ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 82.3MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.56ms. Allocated memory is still 117.4MB. Free memory was 82.3MB in the beginning and 80.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.15ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 80.1MB in the end (delta: 753.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.64ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 64.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 520.79ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 44.9MB in the end (delta: 19.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 7.74ms. Allocated memory is still 117.4MB. Free memory was 44.9MB in the beginning and 44.6MB in the end (delta: 367.9kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:35:11,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/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_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3 --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 0.3.0-dev-d790fec [2024-11-25 02:35:13,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:35:13,795 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:35:13,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:35:13,841 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:35:13,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:35:13,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:35:13,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:35:13,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:35:13,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:35:13,844 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:35:13,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:35:13,845 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:35:13,845 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:35:13,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:35:13,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:35:13,845 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:35:13,845 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:35:13,846 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:35:13,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:35:13,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:35:13,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:35:13,846 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:35:13,847 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:35:13,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:35:13,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:35:13,847 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:13,847 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:35:13,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:35:13,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:13,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:35:13,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:35:13,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:35:13,848 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:35:13,848 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:13,848 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:35:13,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:35:14,191 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:35:14,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:35:14,205 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:35:14,206 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:35:14,206 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:35:14,211 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-25 02:35:17,259 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/e4a6e409c/18b010fe6e4e46dfba3075c9b234cd0e/FLAGb82c06977 [2024-11-25 02:35:17,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:35:17,559 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i [2024-11-25 02:35:17,579 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/e4a6e409c/18b010fe6e4e46dfba3075c9b234cd0e/FLAGb82c06977 [2024-11-25 02:35:17,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/data/e4a6e409c/18b010fe6e4e46dfba3075c9b234cd0e [2024-11-25 02:35:17,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:35:17,651 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:35:17,652 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:17,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:35:17,666 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:35:17,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:17" (1/1) ... [2024-11-25 02:35:17,669 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@781fc0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:17, skipping insertion in model container [2024-11-25 02:35:17,669 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:35:17" (1/1) ... [2024-11-25 02:35:17,688 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:35:17,866 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_a29a4c22-fe91-41ec-a735-4700d32829ed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-25 02:35:17,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:17,938 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:35:17,957 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_a29a4c22-fe91-41ec-a735-4700d32829ed/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-16.i[915,928] [2024-11-25 02:35:17,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:35:18,035 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:35:18,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18 WrapperNode [2024-11-25 02:35:18,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:35:18,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:18,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:35:18,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:35:18,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,086 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 65 [2024-11-25 02:35:18,087 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:35:18,090 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:35:18,090 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:35:18,090 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:35:18,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,103 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,107 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,110 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,123 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,132 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,136 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,137 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,144 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:35:18,145 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:35:18,149 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:35:18,149 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:35:18,150 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:35:18,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:35:18,190 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:35:18,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:35:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:35:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:35:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:35:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:35:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:35:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:35:18,320 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:35:18,322 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:35:18,687 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 02:35:18,687 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:35:18,805 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:35:18,807 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:35:18,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:18 BoogieIcfgContainer [2024-11-25 02:35:18,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:35:18,808 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:35:18,808 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:35:18,819 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:35:18,819 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:35:18" (1/1) ... [2024-11-25 02:35:18,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:35:18,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:18,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-11-25 02:35:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-11-25 02:35:18,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:18,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:18,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:18,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:18,902 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:18,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:35:19,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:19,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:19,636 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:19,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:22,854 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:22,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:35:23,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:23,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:23,638 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:23,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:23,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:23,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:23,641 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:23,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:35:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:24,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:24,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:24,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:24,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:26,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:26,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:26,666 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:26,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:26,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:26,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:26,670 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:26,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:35:27,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:27,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:27,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:27,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:29,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:35:29,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:29,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:29,641 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:29,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:29,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:29,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:29,645 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:29,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:35:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:30,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:30,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:30,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:30,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:32,097 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:32,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:35:32,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:32,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:32,111 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:32,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:32,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:32,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:32,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:32,117 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:32,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:35:32,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:32,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:32,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:32,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:32,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:34,200 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:34,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:35:34,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:34,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:34,219 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:34,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:34,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:34,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:34,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:34,225 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:34,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:35:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:34,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:34,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:34,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:36,451 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:36,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:36,464 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:36,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:36,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:36,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:36,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:36,467 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:36,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:35:36,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:36,981 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:37,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:37,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:38,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:35:38,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:38,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:38,486 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:38,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:38,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:38,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:38,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:38,489 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:38,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:35:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:39,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:39,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:39,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:40,631 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:40,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:35:40,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:40,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:40,644 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:40,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:40,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:40,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:40,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:40,650 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:40,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:35:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:41,242 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:41,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:41,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:41,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:42,708 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:42,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:42,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:42,727 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:42,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:42,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:42,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:42,732 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:42,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:35:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:43,363 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:43,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:43,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:45,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:45,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:35:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:45,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:45,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:45,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:45,164 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:35:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:45,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:46,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:46,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:46,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:47,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:47,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:47,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:47,730 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:47,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:47,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:47,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:47,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:47,733 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:47,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:35:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:48,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:48,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:48,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:48,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:50,274 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:50,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 02:35:50,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:50,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:50,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:50,295 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:50,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:50,299 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:50,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:35:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:50,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:51,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:51,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:52,699 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:52,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:52,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:52,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:52,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:52,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:52,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:52,712 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:52,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:35:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:53,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:53,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:53,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:53,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:54,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:54,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:54,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:54,682 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:54,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:54,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:54,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:54,686 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:54,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:35:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:55,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:55,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:55,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:56,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 02:35:56,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:56,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:56,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:56,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:56,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:56,635 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:56,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:35:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:57,117 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:57,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:57,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:35:58,539 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 02:35:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:58,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:35:58,546 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:35:58,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:35:58,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:58,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:58,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:58,554 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:58,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:35:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:59,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:59,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:35:59,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:00,552 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:00,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 02:36:00,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:00,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:00,566 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:00,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:00,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:00,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:00,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:00,573 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:00,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:36:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:01,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:01,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:01,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:02,585 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:02,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:36:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:02,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:02,595 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:02,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:02,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:02,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:02,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:02,598 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:02,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:36:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:03,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:03,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:03,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:03,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:04,462 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:04,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 02:36:04,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:04,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:04,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:04,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:04,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:04,479 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:04,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:36:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:05,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:05,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:05,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:05,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:06,548 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:06,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:06,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:06,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:06,557 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:06,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:06,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:06,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:06,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:06,561 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:06,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:36:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:07,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:07,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:07,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:08,370 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:08,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 02:36:08,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:08,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:08,378 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:08,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:08,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:08,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:08,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:08,380 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:08,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:36:08,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:08,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:08,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:08,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:08,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:10,222 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:10,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 02:36:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:10,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:10,231 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:10,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:10,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:10,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:10,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:10,233 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:10,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:36:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:10,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:10,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:10,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:12,121 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:12,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 02:36:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:12,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:12,131 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:12,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:12,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:12,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:12,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:12,133 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:12,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:36:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:12,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:12,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:12,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:12,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:14,012 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:14,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 02:36:14,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:14,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:14,021 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:14,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:14,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:14,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:14,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:14,026 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:36:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:14,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:14,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:14,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:15,969 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:15,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 02:36:15,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:15,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:15,978 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:15,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:15,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:15,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:15,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:15,983 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:15,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 02:36:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:16,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:16,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:16,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:17,846 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:17,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 02:36:17,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:17,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:17,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:17,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:17,858 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:17,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 02:36:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:18,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:18,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:18,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:19,735 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:19,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 02:36:19,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:19,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:19,745 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:19,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:19,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:19,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:19,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:19,748 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:19,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 02:36:20,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:20,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:20,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:20,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:20,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:21,502 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:21,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 02:36:21,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:21,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:21,514 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:21,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:21,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:21,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:21,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:21,521 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:21,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 02:36:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:21,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:22,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:22,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:22,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:23,319 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:23,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 02:36:23,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:23,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:23,330 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:23,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:23,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:23,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:23,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:23,334 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:23,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 02:36:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:23,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:23,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:23,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:25,168 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:25,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 02:36:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:25,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:25,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:25,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:25,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:25,179 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:25,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 02:36:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:25,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:25,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:25,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:27,148 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:27,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 02:36:27,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:27,157 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:27,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:27,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:27,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:27,159 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:27,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 02:36:27,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:27,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:27,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:27,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:27,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:28,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-25 02:36:28,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:28,965 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:28,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:28,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:28,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:28,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:28,967 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:28,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 02:36:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:29,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:29,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:29,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:30,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 02:36:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:30,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:30,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:30,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:30,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:30,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:30,810 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:30,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 02:36:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:31,284 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:31,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:31,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:32,650 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:32,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 02:36:32,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:32,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:32,659 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:32,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:32,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:32,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:32,661 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:32,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 02:36:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:33,131 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:33,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:33,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:34,419 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:34,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:34,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:34,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:34,433 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:34,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:34,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:34,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:34,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:34,437 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:34,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 02:36:34,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:34,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:35,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:35,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:36,444 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:36,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 02:36:36,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:36,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:36,454 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:36,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:36,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:36,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:36,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:36,459 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:36,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 02:36:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:37,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:37,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:37,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:37,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:38,400 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:38,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 02:36:38,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:38,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:38,410 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:38,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:38,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:38,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:38,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:38,415 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:38,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 02:36:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:38,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:38,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:38,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:40,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 02:36:40,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:40,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:40,220 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:40,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:40,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:40,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:40,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:40,224 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:40,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 02:36:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:40,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:40,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:40,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:42,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:42,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:42,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:42,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:42,152 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:42,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 02:36:42,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:42,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:42,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:42,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:42,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:44,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 02:36:44,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:44,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:44,030 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:44,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:44,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:44,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:44,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:44,033 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:44,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 02:36:44,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:44,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:44,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:44,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:45,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 02:36:45,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:45,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:45,852 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:45,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:45,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:45,852 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:45,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:45,854 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:45,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 02:36:46,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:46,347 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:46,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:46,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:46,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:47,602 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:47,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 02:36:47,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:47,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:47,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:47,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:47,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:47,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:47,613 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:47,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 02:36:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:48,114 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:48,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:48,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:48,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:49,484 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:49,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-25 02:36:49,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:49,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:49,495 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:49,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:49,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:49,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:49,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:49,498 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:49,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 02:36:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:49,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:50,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:50,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:51,216 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:51,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 02:36:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:51,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:51,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:51,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:51,226 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:51,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 02:36:51,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:51,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:51,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:51,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:53,203 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:53,206 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 02:36:53,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:53,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:53,211 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:53,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:53,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:53,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:53,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:53,213 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:53,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 02:36:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:53,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:53,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:53,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:55,138 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:55,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 02:36:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:55,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:55,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:55,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:55,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:55,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:55,151 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:55,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 02:36:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:55,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:55,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:55,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:55,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:57,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:57,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:57,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:57,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:57,181 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:57,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:57,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:57,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:57,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:57,183 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:57,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 02:36:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:57,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:57,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:57,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:57,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:59,072 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:36:59,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-25 02:36:59,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:36:59,084 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:36:59,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:36:59,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:59,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:59,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:59,089 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:59,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 02:36:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:59,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:59,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:36:59,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:00,930 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:00,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 02:37:00,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:00,938 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:00,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:00,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:00,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:00,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:00,943 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:00,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 02:37:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:01,418 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:01,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:01,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:02,761 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:02,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 02:37:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:02,775 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:02,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:02,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:02,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:02,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:02,780 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:02,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 02:37:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:03,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:03,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:03,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:04,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:04,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 02:37:04,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:04,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:04,608 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:04,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:04,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:04,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:04,610 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:04,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 02:37:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:05,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:05,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:05,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:06,474 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:06,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:06,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:06,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:06,483 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:06,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:06,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:06,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:06,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:06,486 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:06,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 02:37:06,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:06,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:07,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:07,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:08,393 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:08,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 02:37:08,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:08,401 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:08,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:08,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:08,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:08,403 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:08,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 02:37:08,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:08,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:08,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:08,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:10,403 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:10,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 02:37:10,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:10,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:10,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:10,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:10,415 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:10,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 02:37:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:10,927 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:11,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:11,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:12,440 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:12,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 02:37:12,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:12,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:12,450 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:12,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:12,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:12,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:12,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:12,452 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:12,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 02:37:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:13,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:13,122 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:13,123 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:14,749 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:14,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 02:37:14,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:14,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:14,759 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:14,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:14,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:14,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:14,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:14,761 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:14,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 02:37:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:15,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:15,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:15,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:16,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:16,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:16,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:16,929 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:16,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:16,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:16,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:16,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:16,931 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:16,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 02:37:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:17,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:17,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:17,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:18,838 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:18,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 02:37:18,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:18,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:18,848 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:18,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:18,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:18,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:18,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:18,850 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:18,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 02:37:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:19,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:19,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:19,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:20,924 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:20,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:20,934 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:20,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:20,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:20,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:20,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:20,936 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:20,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 02:37:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:21,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:21,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:21,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:23,224 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:23,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:23,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:23,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:23,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:23,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:23,237 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:23,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 02:37:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:23,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:23,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:23,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:25,033 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:25,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:25,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:25,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:25,041 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:25,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:25,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:25,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:25,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:25,043 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:25,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 02:37:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:25,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:25,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:25,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:27,034 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:27,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:27,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:27,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:27,043 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:27,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:27,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:27,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:27,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:27,049 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:27,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 02:37:27,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:27,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:27,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:27,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:28,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:28,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:28,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:28,879 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:28,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:28,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:28,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:28,886 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:28,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 02:37:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:29,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:29,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:29,477 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:29,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:30,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:30,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:30,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:30,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:30,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:30,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:30,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:30,669 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:30,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 02:37:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:31,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:31,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:31,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:31,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:32,569 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:32,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:32,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:32,578 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:32,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:32,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:32,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:32,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:32,580 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:32,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 02:37:33,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:33,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:33,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:33,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:33,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:34,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:34,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-25 02:37:34,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:34,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:34,451 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:34,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:34,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:34,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:34,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:34,456 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:34,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 02:37:34,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:34,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:35,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:35,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:36,476 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:36,481 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 02:37:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:36,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:36,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:36,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:36,488 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:36,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 02:37:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:36,962 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:37,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:37,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:38,282 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:38,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-25 02:37:38,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:38,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:38,291 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:38,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:38,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:38,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:38,293 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:38,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 02:37:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:38,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:38,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:38,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:40,174 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:40,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-25 02:37:40,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:40,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:40,182 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:40,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:40,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:40,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:40,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:40,184 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:40,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 02:37:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:40,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:40,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:40,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:40,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:42,060 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:42,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:42,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:42,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:42,068 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:42,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:42,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:42,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:42,071 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:42,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 02:37:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:42,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:42,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:42,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:43,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:43,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-25 02:37:43,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:43,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:43,865 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:43,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:43,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:43,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:43,868 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:43,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 02:37:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:44,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:44,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:44,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:44,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:45,747 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:45,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:45,755 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:45,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:45,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:45,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:45,757 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:45,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 02:37:46,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:46,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:46,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:46,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:47,551 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:47,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:47,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:47,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:47,560 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:47,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:47,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:47,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:47,562 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:47,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 02:37:48,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:48,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:48,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:48,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:48,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:49,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:49,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:49,306 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:49,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:49,307 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:49,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:49,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:49,310 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:49,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 02:37:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:49,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:49,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:49,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:51,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:51,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-25 02:37:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:51,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:51,187 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:51,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:51,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:51,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:51,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:51,189 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:51,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 02:37:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:51,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:51,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:51,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:53,046 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:53,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-25 02:37:53,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:53,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:53,055 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:53,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:53,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:53,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:53,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:53,057 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:53,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 02:37:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:53,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:53,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:53,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:54,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-25 02:37:54,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:54,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:54,841 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:54,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:54,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:54,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:54,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:54,843 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:54,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 02:37:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:55,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:55,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:55,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:56,641 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:56,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-25 02:37:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:56,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:56,650 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:56,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:56,650 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:56,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:56,652 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:56,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 02:37:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:57,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:57,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:57,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:58,471 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:37:58,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-25 02:37:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:58,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:37:58,480 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:37:58,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:37:58,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:58,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:58,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:58,482 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:58,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 02:37:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:58,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:59,035 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:37:59,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:00,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:00,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-25 02:38:00,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:00,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:00,263 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:00,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:00,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:00,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:00,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:00,265 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:00,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 02:38:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:00,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:00,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:00,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:00,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:02,081 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:02,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-25 02:38:02,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:02,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:02,089 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:02,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:02,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:02,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:02,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:02,093 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:02,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 02:38:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:02,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:02,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:02,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:03,886 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:03,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:03,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:03,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:03,895 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:03,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:03,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:03,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:03,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:03,898 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:03,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 02:38:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:04,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:04,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:04,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:05,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:05,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:05,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:05,699 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:05,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:05,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:05,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:05,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:05,701 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:05,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 02:38:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:06,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:06,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:06,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:07,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-25 02:38:07,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:07,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:07,693 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:07,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:07,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:07,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:07,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:07,698 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:07,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 02:38:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:08,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:08,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:08,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:09,602 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:09,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-25 02:38:09,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:09,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:09,610 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:09,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:09,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:09,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:09,612 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:09,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 02:38:10,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:10,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:10,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:10,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:11,358 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:11,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-25 02:38:11,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:11,370 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:11,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:11,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:11,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:11,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:11,372 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:11,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 02:38:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:11,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:11,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:11,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:11,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:13,105 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:13,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:13,113 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:13,114 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:13,114 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:13,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:13,115 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:13,117 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-25 02:38:13,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:13,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:13,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:13,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:14,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:14,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-25 02:38:14,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:14,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:14,948 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:14,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:14,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:14,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:14,950 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:14,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-25 02:38:15,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:15,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:15,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:15,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:15,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:16,902 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:16,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-25 02:38:16,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:16,910 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:16,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:16,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:16,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:16,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:16,912 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:16,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-25 02:38:17,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:17,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:17,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:17,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:17,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:18,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-25 02:38:18,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:18,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:18,875 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:18,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:18,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:18,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:18,877 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:18,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-25 02:38:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:19,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:19,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:19,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:19,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:20,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-25 02:38:20,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:20,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:20,613 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:20,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:20,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:20,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:20,615 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:20,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-25 02:38:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:21,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:21,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:21,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:21,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:22,380 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:22,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-25 02:38:22,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:22,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:22,389 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:22,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:22,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:22,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:22,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:22,391 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:22,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-25 02:38:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:22,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:22,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:22,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:24,236 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:24,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-25 02:38:24,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:24,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:24,248 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:24,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:24,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:24,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:24,249 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:24,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-25 02:38:24,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:24,724 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:24,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:24,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:25,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-25 02:38:25,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:25,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:25,960 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:25,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:25,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:25,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:25,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:25,964 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:25,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-25 02:38:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:26,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:26,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:26,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:26,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:27,875 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:27,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-25 02:38:27,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:27,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:27,883 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:27,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:27,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:27,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:27,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:27,887 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:27,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-25 02:38:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:28,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:28,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:28,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:29,861 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:29,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-25 02:38:29,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:29,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:29,870 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:29,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:29,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:29,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:29,872 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:29,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-25 02:38:30,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:30,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:30,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:30,415 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:30,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:31,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:31,651 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:31,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:31,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:31,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:31,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:31,652 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:31,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-25 02:38:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:32,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:32,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:32,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:33,439 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:33,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-25 02:38:33,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:33,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:33,447 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:33,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:33,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:33,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:33,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:33,449 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:33,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-25 02:38:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:33,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:33,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:33,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:35,262 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:35,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:35,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:35,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:35,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:35,283 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:35,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-25 02:38:35,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:35,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:35,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:35,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:37,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-25 02:38:37,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:37,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:37,175 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:37,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:37,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:37,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:37,179 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:37,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-25 02:38:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:37,662 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:37,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:37,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:39,188 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:39,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-25 02:38:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:39,199 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:39,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:39,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:39,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:39,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:39,200 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:39,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-25 02:38:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:39,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:39,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:39,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:41,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:41,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:41,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:41,161 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:41,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:41,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:41,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:41,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:41,165 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:41,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-25 02:38:41,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:41,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:41,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:41,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:43,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:43,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:43,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:43,259 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:43,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:43,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:43,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:43,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:43,262 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:43,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-25 02:38:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:43,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:43,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:43,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:45,564 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:45,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-25 02:38:45,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:45,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:45,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:45,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:45,577 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:45,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-25 02:38:46,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:46,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:46,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:46,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:46,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:47,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:47,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:47,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:47,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:47,951 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:47,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:47,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:47,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:47,954 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:47,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-25 02:38:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:48,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:48,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:48,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:48,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:50,638 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:50,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:50,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:50,649 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:50,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:50,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:50,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:50,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:50,651 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:50,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-25 02:38:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:51,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:51,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:51,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:51,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:53,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-25 02:38:53,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:53,092 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:53,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:53,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:53,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:53,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:53,097 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:53,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-25 02:38:53,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:53,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:53,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:53,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:55,368 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:55,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-25 02:38:55,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:55,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:55,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:55,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:55,379 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:55,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-25 02:38:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:55,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:55,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:55,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:55,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:57,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:57,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:57,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:57,125 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:57,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-25 02:38:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:57,621 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:57,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:57,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:57,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:59,028 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:38:59,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-25 02:38:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:59,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:38:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:38:59,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:38:59,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:59,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:59,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:59,039 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:59,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-25 02:38:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:59,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:59,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:59,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:38:59,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:00,920 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:00,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:00,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:00,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:00,929 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:00,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:00,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:00,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:00,932 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:00,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-25 02:39:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:01,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:01,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:01,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:02,752 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:02,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:02,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:02,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:02,763 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:02,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:02,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:02,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:02,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:02,767 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:02,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-25 02:39:03,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:03,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:03,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:03,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:04,579 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:04,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-25 02:39:04,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:04,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:04,587 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:04,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:04,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:04,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:04,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:04,591 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:04,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-25 02:39:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:05,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:05,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:05,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:06,516 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:06,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:06,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:06,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:06,525 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:06,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:06,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:06,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:06,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:06,526 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:06,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-25 02:39:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:07,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:07,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:07,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:08,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:08,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-25 02:39:08,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:08,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:08,442 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:08,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:08,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:08,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:08,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:08,447 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:08,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-25 02:39:08,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:08,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:09,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:09,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:10,341 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:10,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:10,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:10,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:10,350 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:10,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:10,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:10,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:10,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:10,356 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:10,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-25 02:39:10,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:10,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:10,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:10,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:10,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:12,224 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:12,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-25 02:39:12,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:12,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:12,232 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:12,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:12,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:12,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:12,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:12,234 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:12,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-25 02:39:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:12,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:12,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:12,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:12,793 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:14,085 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:14,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-25 02:39:14,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:14,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:14,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:14,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:14,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:14,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:14,096 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:14,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-25 02:39:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:14,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:14,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:14,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:16,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:16,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-25 02:39:16,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:16,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:16,068 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:16,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:16,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:16,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:16,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:16,070 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:16,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-25 02:39:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:16,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:16,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:16,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:16,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:17,772 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:17,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-25 02:39:17,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:17,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:17,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:17,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:17,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:17,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:17,784 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:17,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-25 02:39:18,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:18,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:18,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:18,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:19,678 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:19,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-25 02:39:19,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:19,686 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:19,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:19,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:19,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:19,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:19,690 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:19,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-25 02:39:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:20,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:20,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:20,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:21,523 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:21,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:21,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:21,531 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:21,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:21,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:21,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:21,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:21,533 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:21,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-25 02:39:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:22,017 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:22,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:22,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:23,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:23,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:23,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:23,331 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:23,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:23,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:23,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:23,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:23,333 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:23,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-25 02:39:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:23,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:23,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:23,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:23,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:25,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:25,178 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:25,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:25,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:25,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:25,179 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:25,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-25 02:39:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:25,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:25,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:25,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:26,981 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:26,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-25 02:39:26,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:26,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:26,989 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:26,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:26,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:26,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:26,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:26,991 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:26,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-25 02:39:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:27,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:27,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:27,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:27,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:28,895 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:28,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-25 02:39:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:28,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:28,903 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:28,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:28,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:28,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:28,906 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:28,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-25 02:39:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:29,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:29,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:29,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:30,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:30,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-25 02:39:30,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:30,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:30,812 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:30,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:30,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:30,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:30,816 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:30,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-25 02:39:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:31,312 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:31,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:31,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:32,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-25 02:39:32,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:32,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:32,637 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:32,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:32,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:32,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:32,639 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:32,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-25 02:39:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:33,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:33,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:33,182 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:33,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:34,413 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:34,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:34,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:34,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:34,423 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:34,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:34,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:34,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:34,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:34,424 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:34,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-25 02:39:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:34,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:34,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:34,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:36,311 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:36,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:36,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:36,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:36,319 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:36,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:36,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:36,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:36,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:36,321 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:36,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-25 02:39:36,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:36,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:36,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:36,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:38,097 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:38,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-25 02:39:38,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:38,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:38,105 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:38,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:38,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:38,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:38,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:38,107 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:38,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-25 02:39:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:38,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:38,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:38,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:39,885 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:39,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:39,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:39,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:39,893 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:39,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:39,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:39,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:39,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:39,895 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:39,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-25 02:39:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:40,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:40,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:40,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:40,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:41,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:41,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:41,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:41,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:41,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:41,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:41,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:41,800 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:41,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-25 02:39:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:42,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:42,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:42,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:43,615 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:43,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:43,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:43,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:43,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:43,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:43,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:43,625 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:43,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-25 02:39:44,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:44,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:44,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:44,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:45,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:45,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:45,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:45,367 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:45,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:45,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:45,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:45,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:45,369 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:45,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-25 02:39:45,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:45,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:46,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:46,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:46,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:47,364 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:47,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-25 02:39:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:47,372 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:47,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:47,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:47,373 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:47,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-25 02:39:47,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:47,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:47,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:47,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:49,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-25 02:39:49,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:49,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:49,170 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:49,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:49,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:49,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:49,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:49,172 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:49,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-25 02:39:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:49,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:49,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:49,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:51,058 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:51,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-25 02:39:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:51,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:51,066 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:51,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:51,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:51,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:51,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:51,067 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:51,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-25 02:39:51,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:51,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:51,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:51,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:52,947 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:52,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:52,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:52,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:52,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:52,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:52,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:52,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:52,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:52,958 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:52,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-25 02:39:53,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:53,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:53,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:53,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:53,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:54,787 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:54,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:54,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:54,794 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:54,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:54,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:54,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:54,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:54,796 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:54,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-25 02:39:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:55,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:55,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:55,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:56,728 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:56,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-25 02:39:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:56,737 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:56,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:56,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:56,740 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:56,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-25 02:39:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:57,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:57,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:57,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:39:58,575 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:39:58,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-25 02:39:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:39:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:39:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:39:58,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:39:58,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:39:58,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:39:58,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:39:58,584 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:39:58,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-25 02:39:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:59,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:39:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:39:59,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:39:59,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:00,386 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:00,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-25 02:40:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:00,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:00,394 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:00,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:00,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:00,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:00,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:00,396 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:00,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-25 02:40:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:00,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:00,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:00,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:00,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:02,123 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:02,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-25 02:40:02,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:02,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:02,132 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:02,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:02,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:02,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:02,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:02,137 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:02,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-25 02:40:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:02,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:02,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:02,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:03,829 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:03,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-25 02:40:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:03,838 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:03,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:03,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:03,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:03,839 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:03,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-25 02:40:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:04,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:04,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:04,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:05,744 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:05,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-25 02:40:05,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:05,756 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:05,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:05,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:05,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:05,760 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:05,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-25 02:40:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:06,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:06,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:06,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:07,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-25 02:40:07,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:07,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:07,553 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:07,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:07,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:07,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:07,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:07,555 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:07,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-25 02:40:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:08,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:08,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:08,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:09,395 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:09,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-25 02:40:09,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:09,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:09,403 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:09,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:09,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:09,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:09,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:09,405 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:09,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-25 02:40:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:09,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:09,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:09,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:11,186 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:11,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-25 02:40:11,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:11,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:11,195 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:11,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:11,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:11,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:11,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:11,197 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:11,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-25 02:40:11,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:11,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:11,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:11,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:13,154 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:13,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:13,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:13,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:13,165 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:13,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:13,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:13,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:13,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:13,167 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:13,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-25 02:40:13,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:13,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:13,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:13,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:15,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-25 02:40:15,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:15,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:15,217 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:15,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:15,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:15,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:15,219 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:15,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-25 02:40:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:15,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:15,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:15,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:17,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:17,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:17,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:17,183 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:17,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:17,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:17,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:17,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:17,185 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:17,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-25 02:40:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:17,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:17,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:17,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:19,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-25 02:40:19,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:19,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:19,047 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:19,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:19,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:19,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:19,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:19,048 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:19,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-25 02:40:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:19,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:19,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:19,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:19,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:20,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:20,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:20,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:20,904 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:20,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:20,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:20,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:20,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:20,906 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:20,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-25 02:40:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:21,383 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:21,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:21,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:22,723 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:22,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:22,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:22,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:22,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:22,732 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:22,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-25 02:40:23,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:23,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:23,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:23,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:23,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:24,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:24,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:24,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:24,546 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:24,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:24,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:24,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:24,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:24,551 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:24,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-25 02:40:25,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:25,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:25,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:25,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:27,214 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:27,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:27,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:27,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:27,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:27,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:27,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:27,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:27,224 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:27,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-25 02:40:27,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:27,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:27,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:27,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:28,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:28,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-25 02:40:28,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:28,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:28,983 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:28,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:28,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:28,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:28,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:28,987 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:28,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-25 02:40:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:29,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:29,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:29,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:30,987 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:30,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:30,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:30,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:30,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:30,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:30,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:30,998 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:30,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-25 02:40:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:31,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:31,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:31,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:32,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:32,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:32,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:32,832 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:32,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:32,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:32,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:32,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:32,833 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:32,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-25 02:40:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:33,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:33,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:33,380 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:34,665 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:34,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-25 02:40:34,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:34,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:34,672 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:34,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:34,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:34,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:34,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:34,674 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:34,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-25 02:40:35,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:35,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:35,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:35,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:36,544 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:36,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:36,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:36,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:36,552 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:36,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:36,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:36,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:36,555 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:36,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-25 02:40:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:37,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:37,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:37,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:38,410 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:38,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:38,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:38,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:38,418 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:38,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:38,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:38,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:38,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:38,419 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:38,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-25 02:40:38,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:38,896 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:38,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:38,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:40,400 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:40,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:40,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:40,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:40,408 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:40,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:40,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:40,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:40,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:40,411 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:40,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-25 02:40:40,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:40,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:40,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:40,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:42,286 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:42,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-25 02:40:42,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:42,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:42,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:42,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:42,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:42,296 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:42,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-25 02:40:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:42,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:42,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:42,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:44,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:44,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:44,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:44,134 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:44,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:44,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:44,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:44,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:44,139 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:44,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-25 02:40:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:44,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:44,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:44,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:46,062 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:46,066 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:40:46,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-25 02:40:46,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:46,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:46,075 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:46,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:46,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:46,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:46,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:46,082 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:46,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-25 02:40:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:46,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:46,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:46,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:47,995 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:47,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:48,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:48,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:48,003 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:48,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:48,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:48,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:48,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:48,005 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:48,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-25 02:40:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:48,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:48,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:48,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:48,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:49,883 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:49,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-25 02:40:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:49,890 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:49,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:49,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:49,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:49,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:49,892 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:49,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-25 02:40:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:50,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:50,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:50,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:51,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:51,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:51,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:51,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:51,676 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:51,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:51,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:51,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:51,679 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:51,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-25 02:40:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:52,187 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:52,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:52,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:53,479 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:53,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:53,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:53,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:53,487 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:53,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:53,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:53,490 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:53,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-25 02:40:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:53,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:54,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:54,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:55,275 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:55,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:55,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:55,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:55,286 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:55,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-25 02:40:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:55,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:55,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:55,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:55,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:57,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-25 02:40:57,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:57,252 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:57,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:57,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:57,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:57,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:57,254 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:57,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-25 02:40:57,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:57,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:57,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:57,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:40:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:40:59,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Forceful destruction successful, exit code 0 [2024-11-25 02:40:59,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:40:59,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:40:59,114 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:40:59,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:40:59,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:40:59,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:40:59,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:40:59,116 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:40:59,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-25 02:40:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:59,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:40:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:40:59,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:40:59,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:00,948 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:00,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-25 02:41:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:00,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:00,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:00,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:00,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:00,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:00,959 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:00,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-25 02:41:01,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:01,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:01,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:01,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:02,721 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:02,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:02,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:02,729 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:02,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:02,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:02,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:02,731 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:02,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-25 02:41:03,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:03,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:03,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:03,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:04,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:04,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:04,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:04,510 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:04,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:04,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:04,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:04,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:04,512 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:04,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-25 02:41:04,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:04,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:05,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:05,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:06,420 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:06,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-25 02:41:06,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:06,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:06,428 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:06,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:06,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:06,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:06,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:06,430 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:06,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-25 02:41:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:06,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:06,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:06,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:08,289 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:08,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:08,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:08,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:08,297 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:08,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:08,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:08,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:08,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:08,299 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:08,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-25 02:41:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:08,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:08,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:08,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:10,220 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:10,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-25 02:41:10,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:10,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:10,228 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:10,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:10,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:10,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:10,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:10,231 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:10,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-25 02:41:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:10,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:10,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:10,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:12,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-25 02:41:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:12,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:12,098 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:12,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:12,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:12,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:12,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:12,100 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:12,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-25 02:41:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:12,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:12,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:12,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:12,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:13,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:13,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:13,921 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:13,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:13,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:13,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:13,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:13,922 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:13,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-25 02:41:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:14,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:14,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:14,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:15,676 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:15,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-25 02:41:15,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:15,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:15,684 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:15,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:15,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:15,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:15,686 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:15,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-25 02:41:16,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:16,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:16,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:16,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:17,408 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:17,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:17,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:17,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:17,416 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:17,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:17,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:17,418 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:17,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-25 02:41:17,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:17,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:17,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:17,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:19,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:19,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:19,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:19,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:19,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:19,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:19,214 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:19,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-25 02:41:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:19,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:19,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:19,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:19,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:21,027 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:21,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-25 02:41:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:21,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:21,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:21,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:21,041 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:21,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-25 02:41:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:21,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:21,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:21,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:22,848 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:22,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-25 02:41:22,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:22,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:22,856 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:22,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:22,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:22,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:22,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:22,858 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:22,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-25 02:41:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:23,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:23,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:23,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:24,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:24,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:24,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:24,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:24,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:24,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:24,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:24,694 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:24,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-25 02:41:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:25,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:25,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:25,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:26,643 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:26,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-25 02:41:26,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:26,650 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:26,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:26,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:26,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:26,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:26,652 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:26,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-25 02:41:27,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:27,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:27,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:27,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:28,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:28,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:28,382 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:28,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:28,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:28,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:28,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:28,390 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:28,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-25 02:41:28,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:28,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:28,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:28,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:28,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:30,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-25 02:41:30,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:30,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:30,441 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:30,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:30,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:30,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:30,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:30,445 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:30,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-25 02:41:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:30,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:31,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:31,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:32,447 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:32,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-25 02:41:32,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:32,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:32,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:32,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:32,461 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:32,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-25 02:41:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:33,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:33,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:33,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:34,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:34,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-25 02:41:34,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:34,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:34,577 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:34,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:34,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:34,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:34,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:34,580 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:34,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-25 02:41:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:35,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:35,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:35,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:36,540 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:36,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-25 02:41:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:36,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:36,547 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:36,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:36,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:36,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:36,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:36,549 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:36,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-25 02:41:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:37,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:37,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:37,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:37,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:38,427 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:38,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-25 02:41:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:38,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:38,434 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:38,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:38,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:38,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:38,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:38,437 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:38,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-25 02:41:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:38,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:38,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:38,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:40,196 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:40,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-25 02:41:40,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:40,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:40,204 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:40,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:40,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:40,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:40,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:40,206 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:40,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-25 02:41:40,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:40,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:40,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:40,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:42,137 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:42,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:42,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:42,149 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:42,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:42,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:42,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:42,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:42,153 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:42,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-25 02:41:42,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:42,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:42,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:42,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:42,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:43,943 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:43,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:43,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:43,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:43,952 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:43,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:43,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:43,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:43,956 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:43,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-25 02:41:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:44,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:44,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:44,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:45,669 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:45,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:45,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:45,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:45,680 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:45,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:45,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:45,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:45,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:45,682 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:45,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-25 02:41:46,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:46,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:46,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:46,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:47,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-25 02:41:47,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:47,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:47,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:47,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:47,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:47,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:47,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:47,483 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:47,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-25 02:41:47,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:47,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:48,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:48,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:49,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-25 02:41:49,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:49,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:49,261 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:49,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:49,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:49,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:49,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:49,264 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:49,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-25 02:41:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:49,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:49,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:49,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:51,111 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:51,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:51,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:51,118 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:51,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:51,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:51,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:51,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:51,120 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:51,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-25 02:41:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:51,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:51,683 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:51,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:52,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:52,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:52,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:52,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:52,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:52,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:52,955 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:52,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-25 02:41:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:53,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:53,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:53,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:53,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:54,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:54,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-25 02:41:54,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:54,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:54,697 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:54,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:54,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:54,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:54,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:54,699 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:54,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-25 02:41:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:55,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:55,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:55,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:55,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:56,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-25 02:41:56,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:56,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:56,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:56,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:56,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:56,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:56,501 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:56,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-25 02:41:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:56,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:57,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:57,049 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:41:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:41:58,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Forceful destruction successful, exit code 0 [2024-11-25 02:41:58,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:41:58,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:41:58,297 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:41:58,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:41:58,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:41:58,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:41:58,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:41:58,299 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:41:58,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-25 02:41:58,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:58,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:41:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:41:58,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:41:58,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:00,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-25 02:42:00,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:00,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:00,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:00,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:00,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:00,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:00,047 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:00,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-25 02:42:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:00,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:00,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:00,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:01,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-25 02:42:01,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:01,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:01,847 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:01,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:01,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:01,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:01,848 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:01,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-25 02:42:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:02,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:02,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:02,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:03,704 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:03,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-25 02:42:03,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:03,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:03,713 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:03,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:03,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:03,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:03,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:03,714 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:03,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-25 02:42:04,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:04,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:04,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:04,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:04,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:05,509 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:05,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-25 02:42:05,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:05,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:05,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:05,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:05,524 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:05,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-25 02:42:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:06,066 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:06,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:06,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:06,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:07,408 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:07,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-11-25 02:42:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:07,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:07,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:07,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:07,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:07,417 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:07,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-25 02:42:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:07,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:07,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:07,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:09,191 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:09,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-25 02:42:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:09,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:09,198 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:09,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:09,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:09,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:09,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:09,200 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:09,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-25 02:42:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:09,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:09,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:09,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:09,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:11,022 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:11,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-25 02:42:11,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:11,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:11,029 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:11,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:11,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:11,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:11,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:11,031 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:11,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-25 02:42:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:11,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:11,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:11,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:12,883 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:12,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-25 02:42:12,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:12,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:12,891 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:12,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:12,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:12,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:12,893 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:12,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-25 02:42:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:13,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:13,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:13,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:14,776 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:14,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Forceful destruction successful, exit code 0 [2024-11-25 02:42:14,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:14,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:14,785 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:14,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:14,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:14,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:14,787 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:14,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-25 02:42:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:15,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:15,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:15,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:16,616 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:16,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-25 02:42:16,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:16,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:16,623 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:16,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:16,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:16,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:16,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:16,625 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:16,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-25 02:42:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:17,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:17,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:17,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:18,507 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:18,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-25 02:42:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:18,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:18,515 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:18,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:18,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:18,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:18,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:18,517 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:18,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-25 02:42:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:19,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:19,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:19,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:20,331 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:20,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-25 02:42:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:20,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:20,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:20,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:20,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:20,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:20,342 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:20,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-25 02:42:20,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:20,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:20,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:20,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:22,307 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:22,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-25 02:42:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:22,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:22,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:22,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:22,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:22,319 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:22,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-25 02:42:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:22,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:22,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:22,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:24,122 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:24,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-25 02:42:24,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:24,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:24,130 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:24,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:24,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:24,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:24,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:24,131 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:24,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-25 02:42:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:24,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:24,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:24,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:24,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:26,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-25 02:42:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:26,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:26,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:26,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:26,033 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:26,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-25 02:42:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:26,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:26,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:26,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:27,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-25 02:42:27,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:27,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:27,845 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:27,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:27,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:27,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:27,847 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:27,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-25 02:42:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:28,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:28,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:28,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:28,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:29,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:29,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-25 02:42:29,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:29,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:29,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:29,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:29,699 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:29,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-25 02:42:30,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:30,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:30,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:30,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:31,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-25 02:42:31,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:31,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:31,606 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:31,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:31,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:31,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:31,608 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:31,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-25 02:42:32,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:32,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:32,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:32,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:33,583 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:33,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-25 02:42:33,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:33,591 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:33,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:33,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:33,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:33,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:33,593 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:33,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-25 02:42:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:34,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:34,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:34,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:35,380 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:35,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-25 02:42:35,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:35,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:35,388 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:35,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:35,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:35,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:35,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:35,390 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:35,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-25 02:42:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:35,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:36,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:36,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:37,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-25 02:42:37,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:37,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:37,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:37,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:37,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:37,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:37,395 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:37,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-25 02:42:37,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:37,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:37,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:37,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:39,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-25 02:42:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:39,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:39,379 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:39,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:39,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:39,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:39,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:39,385 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:39,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-25 02:42:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:39,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:39,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:39,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:41,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-25 02:42:41,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:41,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:41,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:41,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:41,256 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:41,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-25 02:42:41,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:41,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:41,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:41,809 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:41,810 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:43,023 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:43,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-25 02:42:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:43,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:43,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:43,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:43,032 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:43,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-25 02:42:43,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:43,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:43,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:43,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:44,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-25 02:42:44,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:44,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:44,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:44,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:44,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:44,829 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:44,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-25 02:42:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:45,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:45,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:45,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:46,791 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:46,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-25 02:42:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:46,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:46,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:46,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:46,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:46,800 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:46,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-25 02:42:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:47,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:47,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:47,363 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:48,655 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:48,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-25 02:42:48,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:48,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:48,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:48,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:48,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:48,667 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:48,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-25 02:42:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:49,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:49,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:49,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:49,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:50,643 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:50,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-25 02:42:50,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:50,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:50,651 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:50,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:50,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:50,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:50,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:50,656 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:50,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-25 02:42:51,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:51,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:51,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:51,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:51,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:52,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Forceful destruction successful, exit code 0 [2024-11-25 02:42:52,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:52,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:52,747 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:52,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:52,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:52,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:52,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:52,748 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:52,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-25 02:42:53,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:53,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:53,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:53,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:54,600 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:54,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-25 02:42:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:54,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:54,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:54,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:54,613 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:54,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-25 02:42:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:55,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:55,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:55,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:56,622 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:56,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-25 02:42:56,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:56,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:56,630 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:56,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:56,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:56,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:56,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:56,632 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:56,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-25 02:42:57,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:57,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:57,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:57,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:57,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:42:58,506 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:42:58,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-25 02:42:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:42:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:42:58,513 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:42:58,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:42:58,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:42:58,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:42:58,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:42:58,515 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:42:58,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-25 02:42:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:59,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:42:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:42:59,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:42:59,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:00,600 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:00,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-25 02:43:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:00,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:00,608 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:00,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:00,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:00,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:00,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:00,610 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:00,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-25 02:43:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:01,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:01,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:01,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:02,405 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:02,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-25 02:43:02,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:02,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:02,413 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:02,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:02,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:02,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:02,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:02,414 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:02,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-25 02:43:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:02,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:02,947 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:02,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:04,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:04,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:04,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:04,240 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:04,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:04,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:04,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:04,242 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:04,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-25 02:43:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:04,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:04,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:04,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:06,164 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:06,167 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:06,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:06,171 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:06,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:06,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:06,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:06,173 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:06,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-25 02:43:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:06,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:06,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:06,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:06,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:08,008 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:08,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-25 02:43:08,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:08,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:08,016 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:08,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:08,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:08,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:08,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:08,018 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:08,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-25 02:43:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:08,506 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:08,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:08,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:09,870 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:09,874 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:09,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:09,878 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:09,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:09,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:09,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:09,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:09,880 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:09,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-25 02:43:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:10,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:10,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:10,435 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:11,702 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:11,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:11,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:11,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:11,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:11,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:11,716 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:11,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-25 02:43:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:12,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:12,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:12,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:13,489 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:13,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-25 02:43:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:13,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:13,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:13,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:13,498 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:13,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-25 02:43:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:13,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:14,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:14,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:15,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-25 02:43:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:15,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:15,350 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:15,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:15,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:15,352 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:15,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-25 02:43:15,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:15,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:16,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:16,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:17,235 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:17,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-25 02:43:17,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:17,243 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:17,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:17,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:17,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:17,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:17,247 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:17,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-25 02:43:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:17,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:17,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:17,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:17,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:19,113 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:19,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:19,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:19,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:19,120 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:19,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:19,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:19,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:19,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:19,122 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:19,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-25 02:43:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:19,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:19,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:19,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:21,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-25 02:43:21,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:21,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:21,029 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:21,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:21,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:21,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:21,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:21,031 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:21,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-25 02:43:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:21,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:21,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:21,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:22,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-25 02:43:22,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:22,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:22,940 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:22,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:22,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:22,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:22,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:22,942 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:22,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-25 02:43:23,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:23,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:23,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:23,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:24,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:24,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:24,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:24,770 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:24,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:24,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:24,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:24,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:24,773 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:24,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-25 02:43:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:25,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:25,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:25,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:25,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:26,726 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:26,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-25 02:43:26,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:26,734 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:26,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:26,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:26,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:26,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:26,736 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:26,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-25 02:43:27,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:27,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:27,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:27,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:28,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-25 02:43:28,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:28,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:28,514 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:28,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:28,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:28,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:28,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:28,516 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:28,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-25 02:43:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:28,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:29,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:29,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:30,407 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:30,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:30,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:30,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:30,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:30,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:30,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:30,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:30,420 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:30,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-25 02:43:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:30,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:30,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:30,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:32,248 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:32,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:32,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:32,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:32,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:32,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:32,261 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:32,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-25 02:43:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:32,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:32,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:32,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:34,058 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:34,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-25 02:43:34,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:34,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:34,066 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:34,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:34,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:34,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:34,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:34,069 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:34,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-25 02:43:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:34,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:34,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:34,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:36,009 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:36,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-25 02:43:36,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:36,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:36,017 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:36,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:36,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:36,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:36,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:36,019 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:36,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-25 02:43:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:36,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:36,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:36,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:37,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-25 02:43:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:37,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:37,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:37,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:37,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:37,923 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:37,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-25 02:43:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:38,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:38,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:38,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:39,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-25 02:43:39,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:39,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:39,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:39,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:39,979 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:39,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-25 02:43:40,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:40,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:40,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:40,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:41,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-25 02:43:41,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:41,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:41,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:41,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:41,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:41,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:41,838 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:41,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-25 02:43:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:42,316 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:42,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:42,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:43,810 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:43,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-25 02:43:43,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:43,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:43,817 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:43,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:43,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:43,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:43,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:43,819 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:43,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-25 02:43:44,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:44,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:44,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:44,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:45,636 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:45,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-25 02:43:45,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:45,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:45,644 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:45,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:45,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:45,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:45,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:45,646 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:45,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-25 02:43:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:46,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:46,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:46,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:46,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:47,566 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:47,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-25 02:43:47,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:47,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:47,573 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:47,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:47,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:47,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:47,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:47,575 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:47,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-25 02:43:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:48,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:48,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:48,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:48,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:49,504 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:49,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-25 02:43:49,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:49,512 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:49,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:49,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:49,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:49,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:49,516 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:49,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-25 02:43:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:49,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:50,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:50,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:50,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:51,279 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:51,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-25 02:43:51,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:51,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:51,287 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:51,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:51,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:51,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:51,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:51,289 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:51,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-25 02:43:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:51,807 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:51,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:51,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:53,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-25 02:43:53,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:53,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:53,119 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:53,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:53,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:53,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:53,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:53,121 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:53,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-25 02:43:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:53,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:53,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:53,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:54,966 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:54,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-25 02:43:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:54,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:54,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:54,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:54,975 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:54,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-25 02:43:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:55,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:55,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:55,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:56,801 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:56,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Forceful destruction successful, exit code 0 [2024-11-25 02:43:56,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:56,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:56,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:56,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:56,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:56,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:56,811 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:56,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-25 02:43:57,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:57,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:57,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:57,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:43:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:43:58,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-25 02:43:58,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:43:58,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:43:58,744 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:43:58,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:43:58,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:43:58,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:43:58,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:43:58,746 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:43:58,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-25 02:43:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:59,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:43:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:43:59,366 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:43:59,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:00,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:00,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-25 02:44:00,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:00,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:00,692 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:00,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:00,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:00,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:00,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:00,694 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:00,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-25 02:44:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:01,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:01,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:01,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:02,523 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:02,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:02,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:02,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:02,530 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:02,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:02,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:02,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:02,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:02,532 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:02,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-25 02:44:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:03,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:03,084 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:03,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:04,326 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:04,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-25 02:44:04,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:04,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:04,334 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:04,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:04,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:04,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:04,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:04,336 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:04,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-25 02:44:04,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:04,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:04,879 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:04,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:06,182 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:06,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-25 02:44:06,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:06,190 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:06,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:06,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:06,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:06,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:06,192 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:06,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-25 02:44:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:06,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:06,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:06,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:07,973 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:07,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-25 02:44:07,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:07,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:07,980 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:07,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:07,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:07,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:07,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:07,982 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:07,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-25 02:44:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:08,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:08,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:08,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:10,086 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:10,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-25 02:44:10,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:10,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:10,093 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:10,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:10,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:10,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:10,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:10,095 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:10,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-25 02:44:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:10,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:10,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:10,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:11,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:11,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:11,950 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:11,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:11,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:11,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:11,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:11,952 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:11,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-25 02:44:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:12,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:12,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:12,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:13,752 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:13,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-25 02:44:13,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:13,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:13,759 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:13,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:13,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:13,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:13,761 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:13,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-25 02:44:14,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:14,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:14,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:14,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:15,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-25 02:44:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:15,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:15,725 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:15,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:15,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:15,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:15,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:15,727 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:15,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-25 02:44:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:16,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:16,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:16,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:17,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:17,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:17,713 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:17,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:17,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:17,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:17,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:17,717 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:17,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-25 02:44:18,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:18,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:18,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:18,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:19,449 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:19,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:19,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:19,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:19,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:19,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:19,459 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:19,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-25 02:44:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:20,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:20,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:20,076 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:21,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-25 02:44:21,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:21,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:21,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:21,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:21,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:21,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:21,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:21,292 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:21,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-25 02:44:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:21,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:21,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:21,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:23,113 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:23,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-25 02:44:23,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:23,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:23,120 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:23,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:23,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:23,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:23,122 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:23,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-25 02:44:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:23,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:23,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:23,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:24,951 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:24,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:24,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:24,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:24,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:24,960 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:24,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-25 02:44:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:25,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:25,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:25,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:25,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:27,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-25 02:44:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:27,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:27,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:27,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:27,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:27,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:27,151 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:27,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-25 02:44:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:27,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:27,801 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:27,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:29,048 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:29,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-25 02:44:29,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:29,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:29,055 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:29,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:29,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:29,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:29,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:29,057 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:29,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-25 02:44:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:29,580 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:29,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:29,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:30,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-25 02:44:30,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:30,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:30,985 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:30,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:30,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:30,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:30,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:30,987 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:30,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-25 02:44:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:31,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:31,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:31,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:31,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:32,862 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:32,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:32,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:32,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:32,871 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:32,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:32,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:32,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:32,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:32,873 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:32,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-25 02:44:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:33,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:33,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:33,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:34,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:34,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:34,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:34,723 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:34,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:34,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:34,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:34,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:34,725 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:34,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-25 02:44:35,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:35,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:35,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:35,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:35,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:36,720 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:36,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-25 02:44:36,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:36,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:36,727 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:36,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:36,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:36,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:36,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:36,729 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:36,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-25 02:44:37,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:37,305 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:37,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:37,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:38,641 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:38,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-25 02:44:38,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:38,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:38,649 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:38,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:38,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:38,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:38,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:38,650 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:38,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-25 02:44:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:39,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:39,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:39,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:40,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:40,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:40,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:40,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:40,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:40,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:40,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:40,350 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:40,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-25 02:44:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:40,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:40,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:40,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:42,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-25 02:44:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:42,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:42,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:42,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:42,206 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:42,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-25 02:44:42,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:42,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:42,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:42,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:44,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:44,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-25 02:44:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:44,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:44,066 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:44,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:44,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:44,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:44,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:44,068 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:44,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-25 02:44:44,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:44,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:44,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:44,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:44,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:45,940 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:45,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-25 02:44:45,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:45,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:45,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:45,950 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:45,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:45,952 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:45,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-25 02:44:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:46,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:46,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:46,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:47,709 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:47,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-25 02:44:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:47,717 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:47,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:47,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:47,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:47,719 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:47,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-25 02:44:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:48,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:48,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:48,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:48,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:49,699 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:49,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-25 02:44:49,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:49,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:49,707 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:49,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:49,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:49,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:49,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:49,709 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:49,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-25 02:44:50,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:50,197 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:50,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:50,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:51,488 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:51,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-25 02:44:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:51,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:51,496 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:51,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:51,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:51,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:51,498 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:51,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-25 02:44:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:51,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:52,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:52,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:53,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:53,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:53,276 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:53,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:53,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:53,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:53,278 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:53,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-25 02:44:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:53,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:53,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:53,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:55,052 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:55,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-25 02:44:55,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:55,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:55,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:55,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:55,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:55,062 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:55,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-25 02:44:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:55,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:55,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:55,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:56,901 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:56,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-25 02:44:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:56,908 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:56,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:56,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:56,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:56,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:56,910 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:56,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-25 02:44:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:57,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:57,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:57,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:44:58,957 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:44:58,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-25 02:44:58,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:58,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:44:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:44:58,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:44:58,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:58,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:58,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:44:58,966 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:44:58,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-25 02:44:59,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:59,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:44:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:44:59,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:44:59,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:00,787 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:00,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-25 02:45:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:00,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:00,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:00,797 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:00,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-25 02:45:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:01,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:01,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:01,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:02,677 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:02,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Forceful destruction successful, exit code 0 [2024-11-25 02:45:02,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:02,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:02,685 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:02,685 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:02,685 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:02,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:02,686 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:02,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-25 02:45:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:03,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:03,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:03,245 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:04,567 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:04,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-25 02:45:04,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:04,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:04,575 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:04,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:04,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:04,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:04,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:04,577 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:04,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-25 02:45:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:05,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:05,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:05,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:06,565 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:06,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-25 02:45:06,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:06,572 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:06,572 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:06,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:06,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:06,574 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:06,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-25 02:45:07,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:07,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:07,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:07,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:08,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-25 02:45:08,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:08,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:08,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:08,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:08,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:08,519 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:08,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-25 02:45:09,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:09,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:09,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:09,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:09,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:10,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-25 02:45:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:10,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:10,493 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:10,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:10,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:10,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:10,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:10,495 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:10,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-25 02:45:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:11,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:11,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:11,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:12,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-25 02:45:12,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:12,358 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:12,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:12,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:12,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:12,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:12,360 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:12,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-25 02:45:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:12,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:12,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:12,976 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:14,215 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:14,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-25 02:45:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:14,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:14,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:14,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:14,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:14,224 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:14,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-25 02:45:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:14,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:14,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:14,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:14,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:16,263 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:16,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-25 02:45:16,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:16,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:16,271 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:16,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:16,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:16,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:16,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:16,273 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:16,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-25 02:45:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:16,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:16,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:16,818 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:18,031 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:18,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Forceful destruction successful, exit code 0 [2024-11-25 02:45:18,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:18,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:18,039 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:18,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:18,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:18,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:18,041 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:18,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-25 02:45:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:18,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:18,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:18,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:18,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:19,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:19,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-25 02:45:19,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:19,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:19,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:19,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:19,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:19,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:19,865 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:19,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-25 02:45:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:20,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:20,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:20,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:21,659 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:21,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-25 02:45:21,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:21,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:21,666 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:21,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:21,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:21,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:21,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:21,668 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:21,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-25 02:45:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:22,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:22,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:22,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:23,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-25 02:45:23,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:23,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:23,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:23,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:23,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:23,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:23,442 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:23,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-25 02:45:23,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:23,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:23,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:23,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:25,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-25 02:45:25,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:25,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:25,416 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:25,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:25,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:25,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:25,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:25,418 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:25,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-25 02:45:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:26,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:26,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:26,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:27,472 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:27,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-25 02:45:27,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:27,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:27,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:27,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:27,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:27,481 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:27,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-25 02:45:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:27,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:28,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:28,083 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:29,319 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:29,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-25 02:45:29,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:29,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:29,328 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:29,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:29,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:29,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:29,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:29,329 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:29,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-25 02:45:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:29,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:29,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:29,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:31,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:31,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-25 02:45:31,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:31,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:31,185 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:31,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:31,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:31,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:31,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:31,187 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:31,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-25 02:45:31,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:31,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:31,755 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:31,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:32,987 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:32,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-25 02:45:32,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:32,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:32,994 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:32,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:32,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:32,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:32,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:33,000 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:33,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-25 02:45:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:33,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:33,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:33,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:33,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:34,904 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:34,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-25 02:45:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:34,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:34,911 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:34,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:34,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:34,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:34,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:34,913 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:34,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-25 02:45:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:35,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:35,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:35,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:36,900 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:36,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-25 02:45:36,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:36,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:36,907 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:36,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:36,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:36,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:36,909 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:36,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-25 02:45:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:37,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:37,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:37,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:38,628 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:38,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-25 02:45:38,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:38,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:38,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:38,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:38,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:38,637 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:38,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-25 02:45:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:39,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:39,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:39,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:40,436 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:40,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-25 02:45:40,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:40,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:40,443 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:40,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:40,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:40,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:40,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:40,445 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:40,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-25 02:45:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:40,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:40,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:40,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:42,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Forceful destruction successful, exit code 0 [2024-11-25 02:45:42,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:42,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:42,348 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:42,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:42,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:42,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:42,350 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:42,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-25 02:45:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:42,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:42,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:42,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:44,228 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:44,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-25 02:45:44,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:44,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:44,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:44,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:44,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:44,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:44,238 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:44,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-25 02:45:44,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:44,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:44,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:44,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:46,259 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:46,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-25 02:45:46,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:46,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:46,267 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:46,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:46,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:46,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:46,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:46,269 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:46,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-25 02:45:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:46,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:46,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:46,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:48,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-25 02:45:48,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:48,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:48,176 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:48,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:48,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:48,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:48,178 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:48,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-25 02:45:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:48,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:48,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:48,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:50,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-25 02:45:50,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:50,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:50,211 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:50,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:50,211 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:50,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:50,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:50,213 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:50,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-25 02:45:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:50,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:50,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:50,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:51,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-25 02:45:52,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:52,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:52,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:52,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:52,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:52,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:52,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:52,003 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:52,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-25 02:45:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:52,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:52,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:52,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:53,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-25 02:45:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:53,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:53,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:53,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:53,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:53,849 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:53,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-25 02:45:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:54,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:54,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:54,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:55,946 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:55,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-25 02:45:55,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:55,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:55,953 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:55,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:55,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:55,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:55,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:55,955 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:55,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-25 02:45:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:56,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:56,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:56,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:57,746 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:57,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-25 02:45:57,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:57,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:57,753 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:57,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:57,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:57,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:57,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:57,755 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:57,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-25 02:45:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:58,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:45:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:45:58,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:45:58,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:45:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:45:59,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-25 02:45:59,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:45:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:45:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:45:59,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:59,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:59,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:59,615 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:59,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-25 02:46:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:00,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:00,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:00,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:01,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:01,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-25 02:46:01,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:01,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:01,440 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:01,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:01,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:01,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:01,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:01,442 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:01,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-25 02:46:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:01,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:01,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:01,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:03,232 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:03,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-25 02:46:03,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:03,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:03,241 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:03,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:03,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:03,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:03,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:03,242 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:03,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-25 02:46:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:03,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:03,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:03,819 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:05,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-25 02:46:05,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:05,144 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:05,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:05,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:05,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:05,147 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:05,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-25 02:46:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:05,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:05,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:05,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:07,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:07,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:07,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:07,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:07,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:07,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:07,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:07,145 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:07,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-25 02:46:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:07,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:07,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:07,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:09,044 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:09,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:09,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:09,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:09,051 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:09,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:09,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:09,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:09,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:09,053 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:09,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-25 02:46:09,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:09,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:09,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:09,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:09,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:10,869 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:10,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-25 02:46:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:10,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:10,876 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:10,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:10,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:10,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:10,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:10,878 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:10,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-25 02:46:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:11,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:11,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:11,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:11,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:12,650 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:12,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-25 02:46:12,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:12,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:12,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:12,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:12,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:12,659 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:12,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-25 02:46:13,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:13,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:13,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:13,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:13,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:14,418 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:14,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-25 02:46:14,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:14,425 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:14,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:14,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:14,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:14,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:14,427 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:14,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-25 02:46:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:14,899 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:14,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:14,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:16,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:16,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:16,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:16,329 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:16,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:16,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:16,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:16,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:16,331 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:16,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-25 02:46:16,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:16,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:16,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:16,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:18,062 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:18,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-25 02:46:18,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:18,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:18,070 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:18,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:18,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:18,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:18,073 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:18,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-25 02:46:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:18,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:18,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:18,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:19,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-11-25 02:46:19,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:19,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:19,894 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:19,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:19,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:19,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:19,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:19,896 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:19,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-25 02:46:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:20,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:20,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:20,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:20,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:21,697 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:21,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-25 02:46:21,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:21,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:21,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:21,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:21,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:21,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:21,706 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:21,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-25 02:46:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:22,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:22,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:22,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:23,518 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:23,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-25 02:46:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:23,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:23,525 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:23,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:23,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:23,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:23,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:23,527 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:23,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-25 02:46:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:24,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:24,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:24,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:25,362 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:25,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-25 02:46:25,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:25,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:25,370 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:25,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:25,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:25,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:25,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:25,372 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:25,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-25 02:46:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:25,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:26,023 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:26,024 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:27,366 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:27,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-25 02:46:27,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:27,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:27,373 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:27,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:27,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:27,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:27,374 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:27,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-25 02:46:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:27,853 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:27,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:27,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:29,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-25 02:46:29,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:29,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:29,248 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:29,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:29,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:29,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:29,250 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:29,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-25 02:46:29,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:29,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:29,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:29,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:31,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-25 02:46:31,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:31,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:31,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:31,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:31,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:31,038 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:31,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-25 02:46:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:31,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:31,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:31,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:31,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:32,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-11-25 02:46:32,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:32,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:32,937 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:32,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:32,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:32,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:32,939 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:32,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-25 02:46:33,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:33,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:33,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:33,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:34,749 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:34,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-25 02:46:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:34,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:34,756 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:34,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:34,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:34,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:34,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:34,758 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:34,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-25 02:46:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:35,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:35,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:35,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:35,294 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:36,663 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:36,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-25 02:46:36,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:36,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:36,670 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:36,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:36,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:36,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:36,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:36,672 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:36,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-25 02:46:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:37,155 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:37,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:37,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:37,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:38,503 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:38,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-25 02:46:38,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:38,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:38,511 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:38,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:38,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:38,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:38,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:38,512 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:38,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-25 02:46:38,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:38,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:39,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:39,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:40,352 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:40,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-11-25 02:46:40,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:40,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:40,359 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:40,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:40,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:40,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:40,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:40,361 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:40,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-25 02:46:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:40,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:40,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:40,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:42,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:42,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:42,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:42,200 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:42,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:42,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:42,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:42,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:42,202 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:42,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-25 02:46:42,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:42,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:42,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:42,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:42,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:44,041 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:44,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-25 02:46:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:44,049 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:44,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:44,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:44,049 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:44,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:44,050 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:44,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-25 02:46:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:44,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:44,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:44,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:46,030 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:46,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:46,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:46,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:46,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:46,040 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:46,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-25 02:46:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:46,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:46,593 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:46,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:47,827 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:47,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-25 02:46:47,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:47,838 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:47,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:47,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:47,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:47,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:47,840 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:47,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-25 02:46:48,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:48,337 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:48,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:48,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:49,728 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:49,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Forceful destruction successful, exit code 0 [2024-11-25 02:46:49,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:49,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:49,741 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:49,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:49,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:49,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:49,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:49,746 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:49,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-25 02:46:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:50,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:50,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:50,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:50,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:51,601 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:51,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-11-25 02:46:51,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:51,608 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:51,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:51,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:51,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:51,610 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:51,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-25 02:46:52,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:52,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:52,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:52,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:53,360 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:53,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-25 02:46:53,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:53,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:53,367 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:53,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:53,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:53,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:53,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:53,369 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:53,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-25 02:46:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:53,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:53,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:53,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:53,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:55,160 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:55,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-25 02:46:55,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:55,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:55,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:55,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:55,169 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:55,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-25 02:46:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:55,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:55,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:55,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:56,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-25 02:46:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:57,001 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:57,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:57,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:57,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:57,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:57,002 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:57,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-25 02:46:57,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:57,484 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:57,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:57,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:46:58,881 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:46:58,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-25 02:46:58,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:46:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:46:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:46:58,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:46:58,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:46:58,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:46:58,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:46:58,890 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:46:58,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-25 02:46:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:59,370 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:46:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:46:59,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:46:59,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:00,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:00,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:00,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:00,797 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:00,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:00,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:00,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:00,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:00,799 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:00,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-25 02:47:01,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:01,275 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:01,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:01,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:02,596 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:02,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:02,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:02,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:02,604 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:02,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:02,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:02,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:02,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:02,605 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:02,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-25 02:47:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:03,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:03,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:03,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:04,391 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:04,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-25 02:47:04,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:04,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:04,398 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:04,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:04,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:04,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:04,400 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:04,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-25 02:47:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:04,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:04,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:04,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:06,331 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:06,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-25 02:47:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:06,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:06,339 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:06,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:06,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:06,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:06,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:06,341 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:06,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-25 02:47:06,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:06,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:06,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:06,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:08,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-25 02:47:08,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:08,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:08,217 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:08,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:08,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:08,218 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:08,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:08,219 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:08,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-25 02:47:08,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:08,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:08,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:08,756 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:09,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-25 02:47:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:09,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:09,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:09,991 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:09,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-25 02:47:10,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:10,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:10,534 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:10,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:11,759 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:11,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Ended with exit code 0 [2024-11-25 02:47:11,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:11,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:11,766 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:11,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:11,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:11,767 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:11,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:11,768 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:11,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-25 02:47:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:12,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:12,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:12,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:12,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:13,771 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:13,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-11-25 02:47:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:13,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:13,781 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:13,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:13,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:13,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:13,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:13,783 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:13,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-11-25 02:47:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:14,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:14,337 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:14,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:15,578 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:15,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-11-25 02:47:15,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:15,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:15,585 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:15,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:15,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:15,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:15,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:15,587 INFO L229 MonitoredProcess]: Starting monitored process 377 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:15,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (377)] Waiting until timeout for monitored process [2024-11-25 02:47:16,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:16,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:16,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:16,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:16,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:17,450 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:17,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (377)] Ended with exit code 0 [2024-11-25 02:47:17,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:17,458 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:17,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:17,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:17,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:17,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:17,459 INFO L229 MonitoredProcess]: Starting monitored process 378 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:17,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (378)] Waiting until timeout for monitored process [2024-11-25 02:47:17,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:17,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:17,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:17,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:19,190 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:19,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (378)] Ended with exit code 0 [2024-11-25 02:47:19,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:19,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:19,197 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:19,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:19,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:19,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:19,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:19,199 INFO L229 MonitoredProcess]: Starting monitored process 379 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:19,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (379)] Waiting until timeout for monitored process [2024-11-25 02:47:19,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:19,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:19,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:19,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:21,008 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:21,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (379)] Ended with exit code 0 [2024-11-25 02:47:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:21,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:21,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:21,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:21,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:21,018 INFO L229 MonitoredProcess]: Starting monitored process 380 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:21,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (380)] Waiting until timeout for monitored process [2024-11-25 02:47:21,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:21,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:21,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:21,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:22,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (380)] Ended with exit code 0 [2024-11-25 02:47:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:22,772 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:22,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:22,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:22,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:22,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:22,774 INFO L229 MonitoredProcess]: Starting monitored process 381 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:22,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (381)] Waiting until timeout for monitored process [2024-11-25 02:47:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:23,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:23,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:23,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:24,563 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:24,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (381)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:24,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:24,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:24,571 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:24,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:24,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:24,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:24,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:24,573 INFO L229 MonitoredProcess]: Starting monitored process 382 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:24,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (382)] Waiting until timeout for monitored process [2024-11-25 02:47:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:25,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:25,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:25,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:26,518 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:26,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (382)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:26,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:26,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:26,525 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:26,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:26,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:26,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:26,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:26,527 INFO L229 MonitoredProcess]: Starting monitored process 383 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:26,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (383)] Waiting until timeout for monitored process [2024-11-25 02:47:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:27,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:27,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:27,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:28,385 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:28,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (383)] Ended with exit code 0 [2024-11-25 02:47:28,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:28,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:28,392 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:28,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:28,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:28,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:28,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:28,394 INFO L229 MonitoredProcess]: Starting monitored process 384 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:28,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (384)] Waiting until timeout for monitored process [2024-11-25 02:47:28,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:28,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:28,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:28,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:30,182 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:30,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (384)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:30,189 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:30,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:30,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:30,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:30,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:30,195 INFO L229 MonitoredProcess]: Starting monitored process 385 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:30,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (385)] Waiting until timeout for monitored process [2024-11-25 02:47:30,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:30,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:30,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:30,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:31,955 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:31,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (385)] Ended with exit code 0 [2024-11-25 02:47:31,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:31,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:31,965 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:31,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:31,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:31,965 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:31,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:31,974 INFO L229 MonitoredProcess]: Starting monitored process 386 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:31,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (386)] Waiting until timeout for monitored process [2024-11-25 02:47:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:32,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:32,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:32,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:34,075 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:34,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (386)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:34,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:34,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:34,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:34,085 INFO L229 MonitoredProcess]: Starting monitored process 387 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:34,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (387)] Waiting until timeout for monitored process [2024-11-25 02:47:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:34,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:34,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:34,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:35,929 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:35,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (387)] Ended with exit code 0 [2024-11-25 02:47:35,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:35,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:35,936 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:35,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:35,937 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:35,937 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:35,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:35,938 INFO L229 MonitoredProcess]: Starting monitored process 388 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:35,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (388)] Waiting until timeout for monitored process [2024-11-25 02:47:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:36,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:36,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:36,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:36,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:37,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (388)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:37,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:37,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:37,795 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:37,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:37,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:37,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:37,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:37,797 INFO L229 MonitoredProcess]: Starting monitored process 389 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:37,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (389)] Waiting until timeout for monitored process [2024-11-25 02:47:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:38,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:38,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:38,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:39,571 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:39,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (389)] Ended with exit code 0 [2024-11-25 02:47:39,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:39,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:39,578 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:39,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:39,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:39,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:39,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:39,580 INFO L229 MonitoredProcess]: Starting monitored process 390 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:39,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (390)] Waiting until timeout for monitored process [2024-11-25 02:47:40,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:40,055 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:40,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:40,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:41,327 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:41,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (390)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:41,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:41,334 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:41,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:41,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:41,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:41,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:41,336 INFO L229 MonitoredProcess]: Starting monitored process 391 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:41,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (391)] Waiting until timeout for monitored process [2024-11-25 02:47:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:41,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:41,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:41,894 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:43,120 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:43,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (391)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:43,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:43,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:43,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:43,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:43,135 INFO L229 MonitoredProcess]: Starting monitored process 392 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:43,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (392)] Waiting until timeout for monitored process [2024-11-25 02:47:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:43,620 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:43,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:43,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:45,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (392)] Ended with exit code 0 [2024-11-25 02:47:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:45,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:45,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:45,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:45,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:45,046 INFO L229 MonitoredProcess]: Starting monitored process 393 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:45,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (393)] Waiting until timeout for monitored process [2024-11-25 02:47:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:45,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:45,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:45,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:47,405 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:47,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (393)] Ended with exit code 0 [2024-11-25 02:47:47,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:47,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:47,416 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:47,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:47,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:47,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:47,417 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:47,420 INFO L229 MonitoredProcess]: Starting monitored process 394 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:47,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (394)] Waiting until timeout for monitored process [2024-11-25 02:47:48,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:48,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:48,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:48,190 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:48,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:49,647 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:49,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (394)] Ended with exit code 0 [2024-11-25 02:47:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:49,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:49,655 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:49,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:49,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:49,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:49,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:49,657 INFO L229 MonitoredProcess]: Starting monitored process 395 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:49,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (395)] Waiting until timeout for monitored process [2024-11-25 02:47:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:50,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:50,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:50,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:51,670 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:51,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (395)] Ended with exit code 0 [2024-11-25 02:47:51,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:51,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:51,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:51,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:51,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:51,679 INFO L229 MonitoredProcess]: Starting monitored process 396 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:51,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (396)] Waiting until timeout for monitored process [2024-11-25 02:47:52,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:52,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:52,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:52,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:52,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:53,471 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:53,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (396)] Ended with exit code 0 [2024-11-25 02:47:53,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:53,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:53,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:53,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:53,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:53,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:53,481 INFO L229 MonitoredProcess]: Starting monitored process 397 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:53,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (397)] Waiting until timeout for monitored process [2024-11-25 02:47:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:53,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:54,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:54,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:55,466 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:55,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (397)] Ended with exit code 0 [2024-11-25 02:47:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:55,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:55,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:55,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:55,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:55,483 INFO L229 MonitoredProcess]: Starting monitored process 398 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:55,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (398)] Waiting until timeout for monitored process [2024-11-25 02:47:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:56,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:56,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:56,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:57,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (398)] Forceful destruction successful, exit code 0 [2024-11-25 02:47:57,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:57,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:57,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:57,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:57,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:57,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:57,678 INFO L229 MonitoredProcess]: Starting monitored process 399 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:57,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (399)] Waiting until timeout for monitored process [2024-11-25 02:47:58,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:58,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:47:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:47:58,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:47:58,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:47:59,623 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:47:59,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (399)] Ended with exit code 0 [2024-11-25 02:47:59,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:47:59,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:47:59,631 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:47:59,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:47:59,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:47:59,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:47:59,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:47:59,632 INFO L229 MonitoredProcess]: Starting monitored process 400 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:47:59,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (400)] Waiting until timeout for monitored process [2024-11-25 02:48:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:00,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:00,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:00,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:01,518 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:01,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (400)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:01,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:01,526 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:01,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:01,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:01,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:01,529 INFO L229 MonitoredProcess]: Starting monitored process 401 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:01,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (401)] Waiting until timeout for monitored process [2024-11-25 02:48:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:02,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:02,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:02,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:03,595 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:03,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (401)] Ended with exit code 0 [2024-11-25 02:48:03,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:03,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:03,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:03,604 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:03,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:03,606 INFO L229 MonitoredProcess]: Starting monitored process 402 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:03,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (402)] Waiting until timeout for monitored process [2024-11-25 02:48:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:04,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:04,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:04,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:05,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:05,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (402)] Ended with exit code 0 [2024-11-25 02:48:05,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:05,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:05,616 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:05,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:05,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:05,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:05,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:05,618 INFO L229 MonitoredProcess]: Starting monitored process 403 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:05,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (403)] Waiting until timeout for monitored process [2024-11-25 02:48:06,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:06,124 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:06,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:06,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:07,627 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:07,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (403)] Ended with exit code 0 [2024-11-25 02:48:07,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:07,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:07,642 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:07,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:07,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:07,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:07,644 INFO L229 MonitoredProcess]: Starting monitored process 404 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:07,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (404)] Waiting until timeout for monitored process [2024-11-25 02:48:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:08,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:08,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:08,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:08,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:09,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (404)] Ended with exit code 0 [2024-11-25 02:48:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:09,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:09,770 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:09,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:09,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:09,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:09,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:09,772 INFO L229 MonitoredProcess]: Starting monitored process 405 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:09,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (405)] Waiting until timeout for monitored process [2024-11-25 02:48:10,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:10,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:10,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:10,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:11,741 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:11,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (405)] Ended with exit code 0 [2024-11-25 02:48:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:11,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:11,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:11,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:11,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:11,752 INFO L229 MonitoredProcess]: Starting monitored process 406 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:11,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (406)] Waiting until timeout for monitored process [2024-11-25 02:48:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:12,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:12,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:12,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:12,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:13,607 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:13,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (406)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:13,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:13,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:13,615 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:13,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:13,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:13,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:13,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:13,617 INFO L229 MonitoredProcess]: Starting monitored process 407 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:13,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (407)] Waiting until timeout for monitored process [2024-11-25 02:48:14,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:14,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:14,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:14,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:15,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (407)] Ended with exit code 0 [2024-11-25 02:48:15,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:15,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:15,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:15,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:15,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:15,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:15,442 INFO L229 MonitoredProcess]: Starting monitored process 408 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:15,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (408)] Waiting until timeout for monitored process [2024-11-25 02:48:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:16,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:16,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:16,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:17,443 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:17,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (408)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:17,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:17,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:17,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:17,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:17,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:17,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:17,453 INFO L229 MonitoredProcess]: Starting monitored process 409 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:17,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (409)] Waiting until timeout for monitored process [2024-11-25 02:48:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:17,946 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:18,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:18,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:19,314 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:19,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (409)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:19,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:19,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:19,322 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:19,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:19,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:19,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:19,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:19,325 INFO L229 MonitoredProcess]: Starting monitored process 410 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:19,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (410)] Waiting until timeout for monitored process [2024-11-25 02:48:19,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:19,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:19,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:19,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:19,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:21,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (410)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:21,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:21,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:21,264 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:21,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:21,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:21,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:21,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:21,265 INFO L229 MonitoredProcess]: Starting monitored process 411 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:21,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (411)] Waiting until timeout for monitored process [2024-11-25 02:48:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:21,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:21,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:21,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:23,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (411)] Ended with exit code 0 [2024-11-25 02:48:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:23,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:23,071 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:23,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:23,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:23,071 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:23,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:23,073 INFO L229 MonitoredProcess]: Starting monitored process 412 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:23,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (412)] Waiting until timeout for monitored process [2024-11-25 02:48:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:23,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:23,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:23,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:23,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:24,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (412)] Ended with exit code 0 [2024-11-25 02:48:24,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:24,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:24,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:24,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:24,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:24,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:24,958 INFO L229 MonitoredProcess]: Starting monitored process 413 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:24,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (413)] Waiting until timeout for monitored process [2024-11-25 02:48:25,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:25,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:25,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:25,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:26,831 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:26,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (413)] Ended with exit code 0 [2024-11-25 02:48:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:26,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:26,839 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:26,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:26,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:26,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:26,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:26,841 INFO L229 MonitoredProcess]: Starting monitored process 414 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:26,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (414)] Waiting until timeout for monitored process [2024-11-25 02:48:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:27,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:27,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:27,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:27,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:28,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (414)] Ended with exit code 0 [2024-11-25 02:48:28,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:28,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:28,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:28,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:28,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:28,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:28,807 INFO L229 MonitoredProcess]: Starting monitored process 415 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:28,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (415)] Waiting until timeout for monitored process [2024-11-25 02:48:29,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:29,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:29,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:29,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:30,604 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:30,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (415)] Ended with exit code 0 [2024-11-25 02:48:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:30,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:30,611 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:30,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:30,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:30,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:30,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:30,613 INFO L229 MonitoredProcess]: Starting monitored process 416 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:30,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (416)] Waiting until timeout for monitored process [2024-11-25 02:48:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:31,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:31,178 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:31,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:32,521 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (416)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:32,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:32,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:32,525 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:32,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:32,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:32,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:32,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:32,527 INFO L229 MonitoredProcess]: Starting monitored process 417 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:32,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (417)] Waiting until timeout for monitored process [2024-11-25 02:48:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:33,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:33,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:33,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:33,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:34,394 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:34,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (417)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:34,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:34,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:34,402 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:34,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:34,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:34,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:34,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:34,404 INFO L229 MonitoredProcess]: Starting monitored process 418 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:34,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (418)] Waiting until timeout for monitored process [2024-11-25 02:48:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:34,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:34,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:34,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:34,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:36,241 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:36,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (418)] Ended with exit code 0 [2024-11-25 02:48:36,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:36,249 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:36,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:36,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:36,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:36,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:36,251 INFO L229 MonitoredProcess]: Starting monitored process 419 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:36,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (419)] Waiting until timeout for monitored process [2024-11-25 02:48:36,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:36,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:36,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:36,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:36,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:38,100 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:38,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (419)] Ended with exit code 0 [2024-11-25 02:48:38,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:38,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:38,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:38,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:38,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:38,109 INFO L229 MonitoredProcess]: Starting monitored process 420 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:38,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (420)] Waiting until timeout for monitored process [2024-11-25 02:48:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:38,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:38,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:38,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:40,184 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:40,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (420)] Ended with exit code 0 [2024-11-25 02:48:40,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:40,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:40,194 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:40,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:40,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:40,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:40,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:40,197 INFO L229 MonitoredProcess]: Starting monitored process 421 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:40,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (421)] Waiting until timeout for monitored process [2024-11-25 02:48:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:40,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:40,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:40,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:42,005 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:42,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (421)] Forceful destruction successful, exit code 0 [2024-11-25 02:48:42,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:42,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:42,012 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:42,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:42,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:42,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:42,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:42,014 INFO L229 MonitoredProcess]: Starting monitored process 422 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:42,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (422)] Waiting until timeout for monitored process [2024-11-25 02:48:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:42,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:42,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:42,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:43,804 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:43,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (422)] Ended with exit code 0 [2024-11-25 02:48:43,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:43,812 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:43,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:43,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:43,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:43,813 INFO L229 MonitoredProcess]: Starting monitored process 423 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:43,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (423)] Waiting until timeout for monitored process [2024-11-25 02:48:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:44,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:44,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:44,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:46,000 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:46,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (423)] Ended with exit code 0 [2024-11-25 02:48:46,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:46,008 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:46,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:46,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:46,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:46,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:46,009 INFO L229 MonitoredProcess]: Starting monitored process 424 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:46,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (424)] Waiting until timeout for monitored process [2024-11-25 02:48:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:46,720 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:46,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:46,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:48,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (424)] Ended with exit code 0 [2024-11-25 02:48:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:48,290 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:48,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:48,290 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:48,290 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:48,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:48,291 INFO L229 MonitoredProcess]: Starting monitored process 425 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:48,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (425)] Waiting until timeout for monitored process [2024-11-25 02:48:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:48,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:49,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:49,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:50,457 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:50,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (425)] Ended with exit code 0 [2024-11-25 02:48:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:50,465 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:50,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:50,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:50,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:50,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:50,467 INFO L229 MonitoredProcess]: Starting monitored process 426 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:50,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (426)] Waiting until timeout for monitored process [2024-11-25 02:48:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:51,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:51,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:51,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:52,423 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:52,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (426)] Ended with exit code 0 [2024-11-25 02:48:52,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:52,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:52,431 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:52,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:52,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:52,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:52,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:52,433 INFO L229 MonitoredProcess]: Starting monitored process 427 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:52,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (427)] Waiting until timeout for monitored process [2024-11-25 02:48:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:52,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:52,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:52,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:52,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:54,311 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:54,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (427)] Ended with exit code 0 [2024-11-25 02:48:54,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:54,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:54,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:54,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:54,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:54,321 INFO L229 MonitoredProcess]: Starting monitored process 428 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:54,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (428)] Waiting until timeout for monitored process [2024-11-25 02:48:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:54,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:54,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:54,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:54,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:56,313 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:56,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (428)] Ended with exit code 0 [2024-11-25 02:48:56,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:56,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:56,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:56,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:56,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:56,324 INFO L229 MonitoredProcess]: Starting monitored process 429 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:56,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (429)] Waiting until timeout for monitored process [2024-11-25 02:48:56,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:56,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:56,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:56,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:48:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:48:58,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (429)] Ended with exit code 0 [2024-11-25 02:48:58,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:48:58,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:48:58,672 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:48:58,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:48:58,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:48:58,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:48:58,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:48:58,674 INFO L229 MonitoredProcess]: Starting monitored process 430 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:48:58,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (430)] Waiting until timeout for monitored process [2024-11-25 02:48:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:59,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:48:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:48:59,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:48:59,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:00,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:00,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (430)] Ended with exit code 0 [2024-11-25 02:49:00,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:00,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:00,697 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:00,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:00,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:00,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:00,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:00,699 INFO L229 MonitoredProcess]: Starting monitored process 431 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:00,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (431)] Waiting until timeout for monitored process [2024-11-25 02:49:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:01,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:01,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:01,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:01,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:02,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (431)] Ended with exit code 0 [2024-11-25 02:49:02,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:02,728 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:02,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:02,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:02,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:02,730 INFO L229 MonitoredProcess]: Starting monitored process 432 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:02,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (432)] Waiting until timeout for monitored process [2024-11-25 02:49:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:03,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:03,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:03,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:04,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (432)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:04,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:04,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:04,633 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:04,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:04,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:04,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:04,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:04,635 INFO L229 MonitoredProcess]: Starting monitored process 433 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:04,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (433)] Waiting until timeout for monitored process [2024-11-25 02:49:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:05,135 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:05,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:05,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:05,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:06,583 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:06,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (433)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:06,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:06,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:06,591 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:06,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:06,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:06,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:06,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:06,592 INFO L229 MonitoredProcess]: Starting monitored process 434 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:06,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (434)] Waiting until timeout for monitored process [2024-11-25 02:49:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:07,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:07,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:07,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:08,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (434)] Ended with exit code 0 [2024-11-25 02:49:08,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:08,676 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:08,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:08,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:08,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:08,678 INFO L229 MonitoredProcess]: Starting monitored process 435 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:08,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (435)] Waiting until timeout for monitored process [2024-11-25 02:49:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:09,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:09,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:09,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:09,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:10,570 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:10,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (435)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:10,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:10,579 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:10,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:10,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:10,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:10,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:10,581 INFO L229 MonitoredProcess]: Starting monitored process 436 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:10,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (436)] Waiting until timeout for monitored process [2024-11-25 02:49:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:11,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:11,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:11,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:11,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:12,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:12,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (436)] Ended with exit code 0 [2024-11-25 02:49:12,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:12,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:12,880 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:12,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:12,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:12,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:12,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:12,884 INFO L229 MonitoredProcess]: Starting monitored process 437 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:12,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (437)] Waiting until timeout for monitored process [2024-11-25 02:49:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:13,561 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:13,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:13,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:15,009 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:15,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (437)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:15,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:15,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:15,018 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:15,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:15,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:15,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:15,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:15,020 INFO L229 MonitoredProcess]: Starting monitored process 438 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:15,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (438)] Waiting until timeout for monitored process [2024-11-25 02:49:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:15,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:15,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:15,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:15,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:17,337 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:17,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (438)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:17,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:17,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:17,346 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:17,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:17,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:17,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:17,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:17,347 INFO L229 MonitoredProcess]: Starting monitored process 439 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:17,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (439)] Waiting until timeout for monitored process [2024-11-25 02:49:17,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:17,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:17,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:17,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:19,318 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:19,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (439)] Ended with exit code 0 [2024-11-25 02:49:19,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:19,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:19,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:19,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:19,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:19,328 INFO L229 MonitoredProcess]: Starting monitored process 440 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:19,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (440)] Waiting until timeout for monitored process [2024-11-25 02:49:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:19,855 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:19,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:19,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:21,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (440)] Ended with exit code 0 [2024-11-25 02:49:21,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:21,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:21,356 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:21,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:21,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:21,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:21,358 INFO L229 MonitoredProcess]: Starting monitored process 441 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:21,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (441)] Waiting until timeout for monitored process [2024-11-25 02:49:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:21,910 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:21,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:21,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:23,429 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:23,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (441)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:23,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:23,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:23,437 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:23,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:23,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:23,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:23,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:23,440 INFO L229 MonitoredProcess]: Starting monitored process 442 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:23,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (442)] Waiting until timeout for monitored process [2024-11-25 02:49:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:23,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:24,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:24,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:25,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (442)] Ended with exit code 0 [2024-11-25 02:49:25,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:25,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:25,504 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:25,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:25,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:25,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:25,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:25,507 INFO L229 MonitoredProcess]: Starting monitored process 443 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:25,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (443)] Waiting until timeout for monitored process [2024-11-25 02:49:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:26,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:26,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:26,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:27,689 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:27,692 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (443)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:27,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:27,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:27,697 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:27,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:27,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:27,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:27,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:27,699 INFO L229 MonitoredProcess]: Starting monitored process 444 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:27,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (444)] Waiting until timeout for monitored process [2024-11-25 02:49:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:28,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:28,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:28,291 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:29,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (444)] Ended with exit code 0 [2024-11-25 02:49:29,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:29,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:29,736 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:29,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:29,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:29,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:29,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:29,738 INFO L229 MonitoredProcess]: Starting monitored process 445 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:29,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (445)] Waiting until timeout for monitored process [2024-11-25 02:49:30,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:30,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:30,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:30,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:31,780 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:31,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (445)] Ended with exit code 0 [2024-11-25 02:49:31,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:31,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:31,788 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:31,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:31,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:31,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:31,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:31,790 INFO L229 MonitoredProcess]: Starting monitored process 446 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:31,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (446)] Waiting until timeout for monitored process [2024-11-25 02:49:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:32,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:32,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:32,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:33,658 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:33,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (446)] Ended with exit code 0 [2024-11-25 02:49:33,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:33,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:33,666 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:33,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:33,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:33,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:33,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:33,668 INFO L229 MonitoredProcess]: Starting monitored process 447 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:33,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (447)] Waiting until timeout for monitored process [2024-11-25 02:49:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:34,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:34,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:34,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:35,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (447)] Ended with exit code 0 [2024-11-25 02:49:35,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:35,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:35,699 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:35,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:35,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:35,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:35,701 INFO L229 MonitoredProcess]: Starting monitored process 448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:35,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (448)] Waiting until timeout for monitored process [2024-11-25 02:49:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:36,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:36,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:36,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:36,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:37,631 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:37,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (448)] Ended with exit code 0 [2024-11-25 02:49:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:37,639 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:37,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:37,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:37,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:37,640 INFO L229 MonitoredProcess]: Starting monitored process 449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:37,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (449)] Waiting until timeout for monitored process [2024-11-25 02:49:38,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:38,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:38,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:38,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:39,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:39,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (449)] Ended with exit code 0 [2024-11-25 02:49:39,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:39,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:39,628 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:39,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:39,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:39,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:39,630 INFO L229 MonitoredProcess]: Starting monitored process 450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:39,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (450)] Waiting until timeout for monitored process [2024-11-25 02:49:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:40,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:40,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:40,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:41,508 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:41,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (450)] Ended with exit code 0 [2024-11-25 02:49:41,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:41,515 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:41,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:41,515 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:41,515 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:41,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:41,517 INFO L229 MonitoredProcess]: Starting monitored process 451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:41,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (451)] Waiting until timeout for monitored process [2024-11-25 02:49:42,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:42,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:42,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:42,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:43,460 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:43,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (451)] Ended with exit code 0 [2024-11-25 02:49:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:43,469 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:43,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:43,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:43,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:43,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:43,471 INFO L229 MonitoredProcess]: Starting monitored process 452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:43,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (452)] Waiting until timeout for monitored process [2024-11-25 02:49:44,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:44,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:44,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:44,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:45,322 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:45,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (452)] Forceful destruction successful, exit code 0 [2024-11-25 02:49:45,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:45,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:45,330 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:45,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:45,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:45,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:45,331 INFO L229 MonitoredProcess]: Starting monitored process 453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:45,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (453)] Waiting until timeout for monitored process [2024-11-25 02:49:45,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:45,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:46,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:46,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:47,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:47,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (453)] Ended with exit code 0 [2024-11-25 02:49:47,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:47,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:47,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:47,410 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:47,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:47,411 INFO L229 MonitoredProcess]: Starting monitored process 454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:47,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (454)] Waiting until timeout for monitored process [2024-11-25 02:49:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:47,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:47,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:47,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:49,383 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:49,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (454)] Ended with exit code 0 [2024-11-25 02:49:49,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:49,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:49,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:49,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:49,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:49,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:49,395 INFO L229 MonitoredProcess]: Starting monitored process 455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:49,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (455)] Waiting until timeout for monitored process [2024-11-25 02:49:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:49,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:50,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:50,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:51,332 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:51,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (455)] Ended with exit code 0 [2024-11-25 02:49:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:51,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:51,341 INFO L229 MonitoredProcess]: Starting monitored process 456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:51,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (456)] Waiting until timeout for monitored process [2024-11-25 02:49:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:51,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:51,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:51,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:51,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:53,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (456)] Ended with exit code 0 [2024-11-25 02:49:53,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:53,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:53,260 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:53,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:53,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:53,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:53,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:53,261 INFO L229 MonitoredProcess]: Starting monitored process 457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:53,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (457)] Waiting until timeout for monitored process [2024-11-25 02:49:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:53,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:53,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:53,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:55,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (457)] Ended with exit code 0 [2024-11-25 02:49:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:55,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:55,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:55,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:55,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:55,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:55,169 INFO L229 MonitoredProcess]: Starting monitored process 458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:55,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (458)] Waiting until timeout for monitored process [2024-11-25 02:49:55,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:55,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:55,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:55,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:57,170 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:57,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (458)] Ended with exit code 0 [2024-11-25 02:49:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:57,178 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:57,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:57,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:57,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:57,180 INFO L229 MonitoredProcess]: Starting monitored process 459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:57,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (459)] Waiting until timeout for monitored process [2024-11-25 02:49:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:57,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:57,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:57,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:49:59,079 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:49:59,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (459)] Ended with exit code 0 [2024-11-25 02:49:59,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:49:59,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:49:59,086 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:49:59,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:49:59,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:49:59,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:49:59,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:49:59,088 INFO L229 MonitoredProcess]: Starting monitored process 460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:49:59,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (460)] Waiting until timeout for monitored process [2024-11-25 02:49:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:59,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:49:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:49:59,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:49:59,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:01,005 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:50:01,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (460)] Forceful destruction successful, exit code 0 [2024-11-25 02:50:01,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:50:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:50:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:50:01,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:01,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:01,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:01,015 INFO L229 MonitoredProcess]: Starting monitored process 461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:01,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (461)] Waiting until timeout for monitored process [2024-11-25 02:50:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:01,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:01,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:50:01,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:50:02,947 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-25 02:50:02,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (461)] Ended with exit code 0 [2024-11-25 02:50:02,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:50:02,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 34 states and 49 transitions. [2024-11-25 02:50:02,955 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 49 transitions. [2024-11-25 02:50:02,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 02:50:02,955 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:50:02,955 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:50:02,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:50:02,956 INFO L229 MonitoredProcess]: Starting monitored process 462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:50:02,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a29a4c22-fe91-41ec-a735-4700d32829ed/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (462)] Waiting until timeout for monitored process [2024-11-25 02:50:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:03,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:50:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:50:03,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:50:03,493 INFO L279 TraceCheckSpWp]: Computing forward predicates...