./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:13:20,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:13:20,511 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:13:20,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:13:20,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:13:20,560 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:13:20,561 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:13:20,561 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:13:20,562 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:13:20,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:13:20,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:13:20,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:13:20,564 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:13:20,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:13:20,565 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:13:20,565 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:13:20,565 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:13:20,566 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:13:20,566 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:13:20,567 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:13:20,567 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:13:20,571 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:13:20,572 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:13:20,572 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:13:20,572 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:13:20,573 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:13:20,573 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:13:20,573 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:13:20,573 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:13:20,574 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:13:20,574 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:13:20,574 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:13:20,574 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:13:20,578 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e [2024-11-08 22:13:20,887 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:13:20,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:13:20,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:13:20,938 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:13:20,942 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:13:20,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i Unable to find full path for "g++" [2024-11-08 22:13:23,294 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:13:23,539 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:13:23,541 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-08 22:13:23,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data/24fabd943/7bc09199110e4079b23a13e853127fe8/FLAG8cdff8d78 [2024-11-08 22:13:23,576 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data/24fabd943/7bc09199110e4079b23a13e853127fe8 [2024-11-08 22:13:23,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:13:23,583 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:13:23,585 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:13:23,585 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:13:23,592 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:13:23,593 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:13:23" (1/1) ... [2024-11-08 22:13:23,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d7a302a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:23, skipping insertion in model container [2024-11-08 22:13:23,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:13:23" (1/1) ... [2024-11-08 22:13:23,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:13:23,934 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_af446185-1fc2-4356-bc9b-466b08f85239/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-08 22:13:23,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:13:23,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:13:24,005 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_af446185-1fc2-4356-bc9b-466b08f85239/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-08 22:13:24,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:13:24,043 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:13:24,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24 WrapperNode [2024-11-08 22:13:24,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:13:24,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:13:24,045 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:13:24,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:13:24,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,090 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 93 [2024-11-08 22:13:24,090 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:13:24,091 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:13:24,091 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:13:24,096 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:13:24,110 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,113 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,137 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:13:24,138 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:13:24,138 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:13:24,138 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:13:24,139 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:13:24,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:13:24,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:13:24,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:13:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:13:24,229 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:13:24,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:13:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:13:24,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:13:24,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:13:24,317 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:13:24,319 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:13:24,622 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 22:13:24,625 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:13:24,812 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:13:24,813 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:13:24,813 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:13:24 BoogieIcfgContainer [2024-11-08 22:13:24,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:13:24,814 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:13:24,814 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:13:24,825 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:13:24,825 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:13:24" (1/1) ... [2024-11-08 22:13:24,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:13:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:24,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 22:13:24,890 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 22:13:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:13:24,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:24,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:13:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 22:13:25,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:13:25,199 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:13:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:13:25,283 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-08 22:13:25,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:13:25 ImpRootNode [2024-11-08 22:13:25,321 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:13:25,321 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:13:25,321 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:13:25,322 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:13:25,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:13:24" (3/4) ... [2024-11-08 22:13:25,325 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:13:25,326 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:13:25,327 INFO L158 Benchmark]: Toolchain (without parser) took 1743.62ms. Allocated memory is still 151.0MB. Free memory was 87.6MB in the beginning and 65.8MB in the end (delta: 21.8MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-08 22:13:25,328 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 125.0MB in the beginning and 124.9MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:13:25,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 459.02ms. Allocated memory is still 151.0MB. Free memory was 87.4MB in the beginning and 116.1MB in the end (delta: -28.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 22:13:25,329 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.29ms. Allocated memory is still 151.0MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:13:25,330 INFO L158 Benchmark]: Boogie Preprocessor took 46.13ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 112.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:13:25,330 INFO L158 Benchmark]: RCFGBuilder took 675.55ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 85.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-08 22:13:25,331 INFO L158 Benchmark]: CodeCheck took 506.50ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 65.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 22:13:25,331 INFO L158 Benchmark]: Witness Printer took 5.06ms. Allocated memory is still 151.0MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:13:25,335 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, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of shiftLeft at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_3 = 4; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 100; [L26] unsigned char var_1_9 = 32; [L27] double var_1_10 = 9.2; [L28] double var_1_11 = 0.975; [L29] signed short int var_1_12 = 1; [L30] signed short int last_1_var_1_8 = 100; [L31] double last_1_var_1_10 = 9.2; [L79] isInitial = 1 [L80] FCALL initially() [L81] COND TRUE 1 [L82] CALL updateLastVariables() [L71] last_1_var_1_8 = var_1_8 [L72] last_1_var_1_10 = var_1_10 [L82] RET updateLastVariables() [L83] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L62] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L63] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=32] [L64] var_1_7 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=357, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=357, var_1_8=100, var_1_9=32] [L66] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=32] [L67] var_1_11 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=32] [L83] RET updateVariables() [L84] CALL step() [L35] COND FALSE !(last_1_var_1_8 <= 16) [L38] COND FALSE !(((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) [L45] var_1_1 = var_1_3 [L48] var_1_9 = 64 [L49] var_1_10 = var_1_11 [L50] EXPR 10 << var_1_9 [L50] COND FALSE !((10 << var_1_9) < (var_1_3 * var_1_1)) [L53] unsigned char stepLocal_0 = var_1_10 > var_1_10; [L54] COND TRUE ((var_1_1 + var_1_9) < 10) || stepLocal_0 [L55] var_1_12 = ((((var_1_8) > (var_1_1)) ? (var_1_8) : (var_1_1))) [L84] RET step() [L85] CALL, EXPR property() [L75] EXPR ((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1) [L75] EXPR 10 << var_1_9 [L75] EXPR ((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1) [L75-L76] return (((((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1)) && (var_1_9 == ((unsigned char) 64))) && (var_1_10 == ((double) var_1_11))) && ((((var_1_1 + var_1_9) < 10) || (var_1_10 > var_1_10)) ? (var_1_12 == ((signed short int) ((((var_1_8) > (var_1_1)) ? (var_1_8) : (var_1_1))))) : (var_1_12 == ((signed short int) var_1_8))) ; [L85] RET, EXPR property() [L85] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=101, var_1_1=357, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=101, var_1_1=357, var_1_3=357, var_1_7=0, var_1_8=100, var_1_9=64] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory was 125.0MB in the beginning and 124.9MB in the end (delta: 86.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 459.02ms. Allocated memory is still 151.0MB. Free memory was 87.4MB in the beginning and 116.1MB in the end (delta: -28.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.29ms. Allocated memory is still 151.0MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.13ms. Allocated memory is still 151.0MB. Free memory was 114.0MB in the beginning and 112.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 675.55ms. Allocated memory is still 151.0MB. Free memory was 112.5MB in the beginning and 85.7MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * CodeCheck took 506.50ms. Allocated memory is still 151.0MB. Free memory was 85.7MB in the beginning and 65.8MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 5.06ms. Allocated memory is still 151.0MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:13:25,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:13:27,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:13:27,931 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:13:27,975 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:13:27,976 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:13:27,977 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:13:27,977 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:13:27,978 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:13:27,979 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:13:27,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:13:27,980 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:13:27,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:13:27,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:13:27,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:13:27,982 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:13:27,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:13:27,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:13:27,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:13:27,983 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:13:27,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:13:27,984 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:13:27,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:13:27,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:13:27,989 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:13:27,989 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:13:27,989 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:13:27,989 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:27,990 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:13:27,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:13:27,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:13:27,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:13:27,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:13:27,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:13:27,991 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:13:27,994 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:27,994 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:13:27,995 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7caa5d4dded04ce3fee2f2ba39a9255503ca16bfd0da726cdc27fd058e95f88e [2024-11-08 22:13:28,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:13:28,416 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:13:28,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:13:28,420 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:13:28,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:13:28,422 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i Unable to find full path for "g++" [2024-11-08 22:13:30,524 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:13:30,747 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:13:30,748 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i [2024-11-08 22:13:30,754 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data/576a8d9dc/6cf6de4c6ef5433586a84a289f3d71fb/FLAG5e40230f6 [2024-11-08 22:13:30,767 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/data/576a8d9dc/6cf6de4c6ef5433586a84a289f3d71fb [2024-11-08 22:13:30,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:13:30,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:13:30,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:13:30,773 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:13:30,778 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:13:30,779 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:13:30" (1/1) ... [2024-11-08 22:13:30,780 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71208fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:30, skipping insertion in model container [2024-11-08 22:13:30,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:13:30" (1/1) ... [2024-11-08 22:13:30,804 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:13:30,992 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_af446185-1fc2-4356-bc9b-466b08f85239/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-08 22:13:31,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:13:31,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:13:31,112 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_af446185-1fc2-4356-bc9b-466b08f85239/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-9.i[914,927] [2024-11-08 22:13:31,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:13:31,197 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:13:31,198 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31 WrapperNode [2024-11-08 22:13:31,198 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:13:31,200 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:13:31,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:13:31,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:13:31,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,227 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,256 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 74 [2024-11-08 22:13:31,257 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:13:31,257 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:13:31,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:13:31,258 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:13:31,268 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,268 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,272 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:13:31,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:13:31,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:13:31,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:13:31,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:13:31,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:13:31,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:13:31,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:13:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:13:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:13:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 22:13:31,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 22:13:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:13:31,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:13:31,481 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:13:31,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:13:31,754 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-08 22:13:31,755 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:13:31,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:13:31,899 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 22:13:31,903 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:13:31 BoogieIcfgContainer [2024-11-08 22:13:31,903 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:13:31,904 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:13:31,904 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:13:31,914 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:13:31,914 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:13:31" (1/1) ... [2024-11-08 22:13:31,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:13:31,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:31,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-08 22:13:31,987 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-08 22:13:31,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 22:13:31,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:31,993 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:31,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:32,002 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:32,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:13:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:32,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:32,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:32,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:13:32,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:13:45,147 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-08 22:13:45,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:13:46,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:13:46,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 28 states and 38 transitions. [2024-11-08 22:13:46,297 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-08 22:13:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:13:46,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:13:46,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:13:46,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:13:46,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:13:46,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:13:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:46,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:13:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:13:46,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:13:46,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:15,115 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:14:15,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:14:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:26,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 52 states and 78 transitions. [2024-11-08 22:14:26,058 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 78 transitions. [2024-11-08 22:14:26,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:14:26,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:26,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:26,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:26,063 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:26,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:14:26,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:26,656 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:26,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:14:26,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:35,690 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:14:35,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:39,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:39,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:14:39,988 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:14:39,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:14:39,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:39,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:39,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:39,991 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:39,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:14:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:40,685 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:40,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:14:40,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:14:48,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 22:14:48,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:48,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:14:48,712 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:14:48,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:14:48,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:48,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:48,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:48,715 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:48,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:14:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:49,295 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:49,345 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:14:49,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:14:56,823 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:14:56,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 22:14:56,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:14:56,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:14:56,852 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:14:56,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:14:56,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:14:56,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:14:56,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:14:56,856 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:14:56,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:14:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:57,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:14:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:14:57,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:14:57,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:04,890 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:15:04,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:15:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:15:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:15:04,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:15:04,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:04,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:04,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:04,919 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:04,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 22:15:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:05,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:05,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:15:05,555 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:14,252 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:15:14,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:14,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:15:14,284 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:15:14,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:15:14,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:14,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:14,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:14,289 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:14,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 22:15:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:15,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:15,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:15:15,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:22,668 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:15:22,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-08 22:15:22,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:22,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:15:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:15:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:15:22,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:22,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:22,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:22,707 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:22,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 22:15:23,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:23,371 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:23,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:15:23,415 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:15:30,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:30,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:15:30,530 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:15:30,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:15:30,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:30,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:30,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:30,534 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:30,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 22:15:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:31,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:31,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:15:31,209 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:38,263 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:15:38,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 22:15:38,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:38,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:15:38,285 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:15:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:15:38,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:38,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:38,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:38,291 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:38,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 22:15:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:38,923 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:38,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:15:38,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:15:46,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 22:15:46,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:46,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:15:46,775 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:15:46,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:15:46,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:46,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:46,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:46,780 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:46,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 22:15:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:47,402 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:47,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:15:47,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:15:55,249 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:15:55,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 22:15:55,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:15:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:15:55,271 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:15:55,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:15:55,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:15:55,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:15:55,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:15:55,275 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:15:55,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 22:15:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:55,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:15:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:15:55,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:15:55,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:16:03,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:03,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:16:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:16:03,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:16:03,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:03,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:03,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:03,101 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:03,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 22:16:03,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:03,670 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:03,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:16:03,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:11,290 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:16:11,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:16:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:16:11,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:16:11,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:11,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:11,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:11,313 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:11,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 22:16:11,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:11,959 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:12,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:12,005 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:16:12,006 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:16:19,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:19,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:16:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:16:19,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:16:19,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:19,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:19,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:19,300 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:19,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 22:16:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:19,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:19,907 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:16:19,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:46,551 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:16:46,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-08 22:16:46,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:46,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:16:46,785 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:16:46,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:16:46,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:46,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:46,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:46,787 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:46,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 22:16:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:47,354 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:47,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:16:47,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:16:54,566 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:16:54,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-08 22:16:54,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:16:54,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:16:54,582 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:16:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:16:54,583 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:16:54,583 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:16:54,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:16:54,590 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:16:54,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 22:16:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:55,199 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:16:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:16:55,241 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:16:55,243 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:02,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:02,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:02,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:02,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:02,882 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:02,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 22:17:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:03,836 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:03,892 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:03,893 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:11,507 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:11,512 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:11,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:11,525 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:11,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:11,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:11,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:11,532 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:11,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 22:17:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:12,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:12,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:12,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:19,214 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:19,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:19,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:19,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:19,230 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:19,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:19,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:19,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:19,234 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:19,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 22:17:19,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:19,858 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:19,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:19,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:27,126 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:27,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:27,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:27,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:27,149 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:27,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:27,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:27,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:27,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:27,153 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:27,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 22:17:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:27,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:27,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:27,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:35,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:35,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:35,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:35,370 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:35,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:35,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:35,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:35,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:35,373 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:35,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 22:17:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:35,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:36,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:36,021 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:36,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:43,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 22:17:43,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:43,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:43,100 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:43,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:43,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:43,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:43,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:43,104 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:43,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 22:17:43,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:43,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:43,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:43,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:43,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:50,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 22:17:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:50,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:50,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:50,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:50,820 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:50,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 22:17:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:51,448 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:51,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:51,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:17:58,930 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:17:58,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-08 22:17:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:17:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:17:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:17:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:17:58,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:17:58,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:17:58,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:17:58,950 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:17:58,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 22:17:59,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:59,528 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:17:59,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:17:59,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:17:59,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:06,774 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:18:06,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 22:18:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:18:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:18:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:18:06,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:06,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:06,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:06,795 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:06,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 22:18:07,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:07,377 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:07,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:07,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:14,490 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:18:14,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 22:18:14,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:14,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:18:14,509 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:18:14,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:18:14,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:14,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:14,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:14,512 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:14,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 22:18:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:15,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:15,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:15,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:18:22,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:22,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:18:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:18:22,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:18:22,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:22,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:22,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:22,672 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:22,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 22:18:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:23,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:23,294 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:23,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:30,448 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:18:30,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:30,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:18:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:18:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:18:30,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:30,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:30,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:30,463 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:30,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 22:18:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:31,058 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:31,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:31,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:38,141 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:18:38,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:38,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:38,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:18:38,158 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:18:38,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:18:38,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:38,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:38,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:38,160 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:38,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 22:18:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:38,744 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:38,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:38,793 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:46,991 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:18:46,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:47,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:18:47,005 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:18:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:18:47,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:47,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:47,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:47,007 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:47,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 22:18:47,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:47,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:47,627 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:47,628 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:18:54,631 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:18:54,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 22:18:54,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:18:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:18:54,645 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:18:54,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:18:54,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:18:54,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:18:54,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:18:54,647 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:18:54,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 22:18:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:55,230 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:18:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:18:55,271 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:18:55,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:02,197 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:02,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:02,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:02,206 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:02,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:02,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:02,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:02,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:02,209 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:02,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 22:19:02,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:02,822 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:02,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:02,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:02,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:09,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:09,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:09,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:09,896 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:09,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:09,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:09,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:09,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:09,900 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:09,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 22:19:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:10,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:10,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:10,599 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:10,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:17,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 22:19:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:17,696 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:17,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:17,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:17,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:17,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:17,700 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:17,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 22:19:18,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:18,274 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:18,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:18,317 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:25,326 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:25,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:25,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:25,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:25,340 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:25,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:25,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:25,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:25,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:25,342 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:25,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 22:19:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:25,919 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:25,962 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:25,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:33,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-08 22:19:33,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:33,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:33,126 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:33,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:33,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:33,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:33,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:33,128 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:33,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 22:19:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:33,839 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:33,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:33,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:33,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:42,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-08 22:19:42,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:42,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:42,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:42,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:42,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:42,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:42,661 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:42,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 22:19:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:43,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:43,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:43,311 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:50,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:50,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:50,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:50,283 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:50,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:50,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:50,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:50,284 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:50,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 22:19:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:50,868 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:50,912 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:50,913 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:19:57,959 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:19:57,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 22:19:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:19:57,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:19:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:19:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:19:57,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:19:57,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:19:57,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:19:57,977 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:19:57,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 22:19:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:58,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:19:58,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:19:58,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:19:58,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:05,751 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:20:05,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:20:05,768 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:20:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:20:05,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:05,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:05,771 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:05,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 22:20:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:06,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:06,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:20:06,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:13,562 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:20:13,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:13,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:20:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:20:13,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:20:13,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:13,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:13,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:13,579 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:13,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 22:20:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:14,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:14,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:20:14,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:21,186 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:20:21,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:21,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:20:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:20:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:20:21,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:21,202 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:21,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 22:20:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:21,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:21,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:21,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:20:21,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:46,164 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:20:46,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:46,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:46,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:20:46,412 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:20:46,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:20:46,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:46,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:46,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:46,413 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:46,415 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 22:20:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:47,050 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:47,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:20:47,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:20:54,584 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:20:54,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 22:20:54,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:20:54,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:20:54,598 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:20:54,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:20:54,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:20:54,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:20:54,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:20:54,602 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:20:54,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 22:20:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:55,182 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:20:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:20:55,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:20:55,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:21:02,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-08 22:21:02,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:21:02,149 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:21:02,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:21:02,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:02,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:02,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:02,150 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:02,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 22:21:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:02,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:02,841 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:21:02,843 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:29,067 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:21:29,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-08 22:21:29,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:21:29,296 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:21:29,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:21:29,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:29,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:29,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:29,300 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:29,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 22:21:29,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:29,871 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:29,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:29,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:21:29,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:21:54,895 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:21:54,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-08 22:21:55,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:21:55,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:21:55,127 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:21:55,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:21:55,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:21:55,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:21:55,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:21:55,129 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:21:55,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 22:21:55,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:55,688 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:21:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:21:55,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:21:55,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:02,684 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:02,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-08 22:22:02,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:02,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:02,719 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:02,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:02,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:02,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:02,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:02,722 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:02,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 22:22:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:03,314 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:03,357 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:03,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:10,311 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:10,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:10,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:10,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:10,327 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:10,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:10,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:10,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:10,328 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:10,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 22:22:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:10,960 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:10,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:11,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:11,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:18,022 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:18,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-08 22:22:18,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:18,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:18,038 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:18,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:18,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:18,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:18,041 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:18,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 22:22:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:18,623 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:18,667 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:18,668 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:26,207 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:26,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-08 22:22:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:26,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:26,224 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:26,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:26,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:26,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:26,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:26,228 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:26,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 22:22:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:26,812 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:26,856 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:26,857 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:33,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:33,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:33,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:33,957 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:33,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:33,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:33,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:33,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:33,958 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:33,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 22:22:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:34,523 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:34,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:34,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:34,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:41,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:41,470 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:41,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:41,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:41,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:41,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:41,472 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:41,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 22:22:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:42,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:42,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:42,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:42,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:49,132 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:49,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 22:22:49,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:49,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:49,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:49,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:49,146 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:49,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 22:22:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:49,690 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:49,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:49,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:22:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:22:56,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-08 22:22:56,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:22:56,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:22:56,791 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:22:56,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:22:56,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:22:56,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:22:56,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:22:56,794 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:22:56,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 22:22:57,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:57,337 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:22:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:22:57,380 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:22:57,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:04,761 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:23:04,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:04,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:04,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:23:04,778 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:23:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:23:04,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:04,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:04,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:04,781 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:04,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 22:23:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:05,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:05,438 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:23:05,439 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:12,985 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:23:12,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:13,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:13,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:23:13,004 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:23:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:23:13,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:13,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:13,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:13,007 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:13,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 22:23:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:13,594 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:13,661 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:23:13,662 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:21,283 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:23:21,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-08 22:23:21,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:21,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:23:21,299 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:23:21,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:23:21,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:21,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:21,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:21,301 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:21,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 22:23:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:21,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:21,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:21,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:23:21,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:29,547 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:23:29,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 22:23:29,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:29,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:23:29,562 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:23:29,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:23:29,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:29,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:29,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:29,566 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:29,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 22:23:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:30,152 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:30,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:23:30,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:23:37,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-08 22:23:37,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:37,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:23:37,647 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:23:37,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:23:37,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:37,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:37,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:37,650 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:37,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 22:23:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:38,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:38,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:23:38,256 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:23:45,860 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:23:45,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-08 22:23:45,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:23:45,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:23:45,882 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:23:45,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:23:45,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:23:45,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:23:45,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:23:45,885 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:23:45,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 22:23:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:46,461 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:23:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:23:46,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:23:46,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:24:13,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:13,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:13,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:24:13,389 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:24:13,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:24:13,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:13,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:13,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:13,391 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:13,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 22:24:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:14,079 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:14,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:14,123 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:24:14,124 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:24:21,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-08 22:24:21,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:21,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:24:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:24:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:24:21,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:21,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:21,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:21,494 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:21,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 22:24:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:22,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:22,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:24:22,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:24:30,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:30,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:24:30,056 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:24:30,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:24:30,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:30,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:30,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:30,060 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:30,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 22:24:30,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:30,632 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:30,677 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:24:30,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:24:38,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-08 22:24:38,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:38,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:24:38,375 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:24:38,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:24:38,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:38,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:38,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:38,377 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:38,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 22:24:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:38,937 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:38,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:24:38,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:46,283 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:24:46,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 22:24:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:24:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:24:46,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:24:46,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:46,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:46,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:46,299 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:46,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 22:24:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:46,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:46,908 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:24:46,909 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:24:54,319 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:24:54,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-08 22:24:54,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:24:54,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:24:54,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:24:54,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:24:54,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:24:54,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:24:54,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:24:54,334 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:24:54,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 22:24:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:54,917 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:24:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:24:54,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:24:54,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:02,187 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:25:02,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:02,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:02,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:25:02,201 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:25:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:25:02,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:02,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:02,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:02,203 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:02,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 22:25:02,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:02,849 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:02,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:25:02,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:25:10,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-08 22:25:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:25:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:25:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:25:10,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:10,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:10,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:10,710 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:10,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 22:25:11,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:11,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:11,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:11,359 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:25:11,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:18,982 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:25:18,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:18,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:18,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:25:18,996 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:25:18,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:25:18,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:18,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:18,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:18,999 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:18,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 22:25:19,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:19,562 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:19,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:25:19,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:26,904 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:25:26,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-08 22:25:26,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:26,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:25:26,917 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:25:26,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:25:26,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:26,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:26,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:26,918 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:26,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 22:25:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:27,488 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:27,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:27,532 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:25:27,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:35,858 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:25:35,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:35,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:35,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:25:35,872 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:25:35,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:25:35,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:35,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:35,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:35,873 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:35,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 22:25:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:36,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:36,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:25:36,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:25:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:25:44,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-08 22:25:44,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:25:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:25:44,207 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:25:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:25:44,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:25:44,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:25:44,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:25:44,208 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:25:44,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 22:25:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:44,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:25:44,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:25:44,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 22:25:44,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 64 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-08 22:26:12,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:12,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:12,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:26:12,792 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:26:12,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:26:12,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:12,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:12,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:12,797 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:12,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 22:26:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:13,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:13,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:26:13,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:26:21,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-08 22:26:21,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:21,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:26:21,149 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:26:21,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:26:21,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:21,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:21,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:21,154 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:21,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 22:26:21,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:21,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:21,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:21,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:26:21,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:26:29,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:26:29,658 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:26:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:26:29,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:29,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:29,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:29,659 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:29,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 22:26:30,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:30,218 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:30,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:30,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:26:30,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:26:38,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:38,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:38,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:26:38,552 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:26:38,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:26:38,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:38,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:38,555 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:38,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 22:26:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:39,140 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:39,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:26:39,186 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:46,667 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:26:46,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:46,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:46,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:26:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:26:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:26:46,681 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:46,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:46,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:46,684 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:46,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 22:26:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:47,254 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:47,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:26:47,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:26:54,492 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:26:54,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-08 22:26:54,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:26:54,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:26:54,507 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:26:54,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:26:54,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:26:54,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:26:54,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:26:54,509 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:26:54,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 22:26:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:55,063 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:26:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:26:55,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:26:55,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:02,042 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:02,046 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-08 22:27:02,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:02,057 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:02,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:02,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:02,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:02,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:02,060 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:02,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 22:27:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:02,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:02,760 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:02,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:09,654 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:09,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 22:27:09,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:09,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:09,673 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:09,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:09,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:09,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:09,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:09,676 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:09,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 22:27:10,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:10,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:10,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:10,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:10,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:17,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-08 22:27:17,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:17,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:17,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:17,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:17,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:17,410 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:17,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 22:27:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:17,985 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:18,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:18,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:25,065 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:25,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:25,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:25,078 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:25,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:25,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:25,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:25,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:25,081 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:25,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 22:27:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:25,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:25,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:25,714 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:25,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:32,691 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:32,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:32,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:32,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:32,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:32,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:32,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:32,713 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:32,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 22:27:33,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:33,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:33,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:33,381 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:40,348 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:40,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 22:27:40,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:40,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:40,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:40,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:40,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:40,367 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:40,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 22:27:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:40,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:41,001 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:41,003 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:48,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-08 22:27:48,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:48,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:48,108 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:48,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:48,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:48,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:48,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:48,110 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:48,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 22:27:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:48,667 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:48,709 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:48,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:27:55,762 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:27:55,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-08 22:27:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:27:55,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:27:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:27:55,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:27:55,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:27:55,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:27:55,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:27:55,783 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:27:55,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 22:27:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:56,341 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:27:56,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:27:56,386 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:27:56,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:28:03,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:03,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:28:03,378 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:28:03,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:28:03,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:03,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:03,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:03,383 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:03,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 22:28:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:03,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:03,981 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:28:03,982 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:28:10,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-08 22:28:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:28:10,928 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:28:10,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:28:10,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:10,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:10,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:10,929 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:10,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 22:28:11,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:11,507 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:11,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:28:11,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:18,673 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:28:18,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-08 22:28:18,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:18,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:28:18,686 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:28:18,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:28:18,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:18,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:18,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:18,687 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:18,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 22:28:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:19,255 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:19,298 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:28:19,299 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:28:26,390 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-11-08 22:28:26,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-08 22:28:26,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:28:26,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 53 states and 81 transitions. [2024-11-08 22:28:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 81 transitions. [2024-11-08 22:28:26,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 22:28:26,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:28:26,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:28:26,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:28:26,405 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:28:26,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af446185-1fc2-4356-bc9b-466b08f85239/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 22:28:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:26,964 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:28:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:28:27,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 22:28:27,011 INFO L278 TraceCheckSpWp]: Computing forward predicates...