./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:56:20,323 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:56:20,416 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:56:20,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:56:20,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:56:20,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:56:20,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:56:20,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:56:20,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:56:20,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:56:20,457 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:56:20,457 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:56:20,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:56:20,458 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:56:20,458 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:56:20,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:56:20,458 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:56:20,458 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:56:20,458 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:56:20,459 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:56:20,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:56:20,459 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:56:20,460 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:56:20,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:56:20,460 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:56:20,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:56:20,460 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:56:20,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:20,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:56:20,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:56:20,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:56:20,461 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:56:20,461 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:56:20,461 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2024-11-25 03:56:20,813 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:56:20,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:56:20,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:56:20,832 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:56:20,832 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:56:20,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-25 03:56:23,817 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/b8b7a0b04/838022f7f4cc43bd83eb143bcb398f79/FLAGa4a055880 [2024-11-25 03:56:24,067 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:24,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-25 03:56:24,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/b8b7a0b04/838022f7f4cc43bd83eb143bcb398f79/FLAGa4a055880 [2024-11-25 03:56:24,105 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/b8b7a0b04/838022f7f4cc43bd83eb143bcb398f79 [2024-11-25 03:56:24,109 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:24,111 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:24,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:24,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:24,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:24,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b156afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24, skipping insertion in model container [2024-11-25 03:56:24,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:24" (1/1) ... [2024-11-25 03:56:24,151 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:24,323 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-11-25 03:56:24,324 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@8fb3d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:24, skipping insertion in model container [2024-11-25 03:56:24,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:24,324 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-11-25 03:56:24,326 INFO L158 Benchmark]: Toolchain (without parser) took 214.95ms. Allocated memory is still 117.4MB. Free memory was 91.6MB in the beginning and 82.7MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:56:24,327 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 85.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:56:24,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.31ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 82.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:56:24,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory was 41.2MB in the beginning and 41.1MB in the end (delta: 85.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.31ms. Allocated memory is still 117.4MB. Free memory was 91.3MB in the beginning and 82.7MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 9]: Unsupported Syntax floats in unions are not supported in the integer translation. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:56:26,759 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:56:26,859 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:56:26,898 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:56:26,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:56:26,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:56:26,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:56:26,900 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:56:26,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:56:26,901 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:56:26,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:26,902 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:56:26,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:56:26,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:26,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:56:26,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:56:26,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:56:26,905 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:56:26,905 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:26,906 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:56:26,906 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2024-11-25 03:56:27,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:56:27,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:56:27,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:56:27,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:56:27,252 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:56:27,253 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-25 03:56:30,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/e0836c5c8/74f4445fb9bf458dacc7e383ba236d94/FLAG56b3acf5b [2024-11-25 03:56:30,536 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:56:30,537 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2024-11-25 03:56:30,554 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/e0836c5c8/74f4445fb9bf458dacc7e383ba236d94/FLAG56b3acf5b [2024-11-25 03:56:30,582 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/data/e0836c5c8/74f4445fb9bf458dacc7e383ba236d94 [2024-11-25 03:56:30,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:56:30,587 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:56:30,591 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:30,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:56:30,596 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:56:30,597 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:30" (1/1) ... [2024-11-25 03:56:30,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366889c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:30, skipping insertion in model container [2024-11-25 03:56:30,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:56:30" (1/1) ... [2024-11-25 03:56:30,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:56:30,909 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_db579b2c-467c-46e7-87c0-5d2186e78299/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2024-11-25 03:56:30,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:30,931 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:56:31,009 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_db579b2c-467c-46e7-87c0-5d2186e78299/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c[4883,4896] [2024-11-25 03:56:31,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:56:31,038 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:56:31,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31 WrapperNode [2024-11-25 03:56:31,039 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:56:31,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:31,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:56:31,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:56:31,046 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,058 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,092 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2024-11-25 03:56:31,092 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:56:31,093 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:56:31,093 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:56:31,093 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:56:31,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,101 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,106 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,119 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,121 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,128 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,130 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,136 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:56:31,137 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:56:31,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:56:31,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:56:31,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:56:31" (1/1) ... [2024-11-25 03:56:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:56:31,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:56:31,181 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:56:31,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:56:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:56:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:56:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 03:56:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-25 03:56:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-25 03:56:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:56:31,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:56:31,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-25 03:56:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-25 03:56:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 03:56:31,216 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2024-11-25 03:56:31,216 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2024-11-25 03:56:31,317 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:56:31,319 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:56:34,570 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-25 03:56:34,570 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:56:34,705 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:56:34,705 INFO L312 CfgBuilder]: Removed 18 assume(true) statements. [2024-11-25 03:56:34,705 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:34 BoogieIcfgContainer [2024-11-25 03:56:34,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:56:34,706 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:56:34,706 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:56:34,722 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:56:34,723 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:56:34" (1/1) ... [2024-11-25 03:56:34,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:56:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 74 states and 122 transitions. [2024-11-25 03:56:34,789 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 122 transitions. [2024-11-25 03:56:34,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-25 03:56:34,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:34,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:34,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:34,793 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:34,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:56:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:35,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:56:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:35,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-25 03:56:35,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:35,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:35,142 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:56:35,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:56:35,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 74 states and 111 transitions. [2024-11-25 03:56:35,246 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2024-11-25 03:56:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:56:35,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:35,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:35,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:35,248 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:35,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:56:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:35,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:56:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:35,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:56:35,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:36,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:56:36,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:56:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:38,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 03:56:53,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:56:54,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:54,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:56:54,386 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:56:54,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:56:54,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:54,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:54,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:54,389 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:54,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:56:54,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:54,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:56:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:54,943 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:56:54,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:55,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:56:55,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:56:57,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:57,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:56:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:56:57,075 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:56:57,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:56:57,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:57,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:57,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:57,079 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:57,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:56:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:57,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:56:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:56:57,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:56:57,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:56:57,873 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:56:57,874 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:56:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:56:59,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:56:59,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:56:59,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:56:59,722 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:56:59,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:56:59,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:56:59,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:56:59,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:56:59,726 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:56:59,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:57:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:00,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:00,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:00,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:00,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:00,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:01,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 03:57:01,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:01,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:01,990 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:01,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:01,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:01,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:01,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:01,996 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:01,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:57:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:02,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:02,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:02,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:02,584 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:02,585 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:04,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:04,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:57:04,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:04,087 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:04,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:04,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:04,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:04,092 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:04,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:57:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:04,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:04,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:04,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:04,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:04,723 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:06,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:06,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:06,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:06,152 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:06,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:06,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:06,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:06,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:06,156 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:06,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:57:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:06,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:06,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 03:57:06,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:06,760 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:06,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:08,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:08,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:57:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:08,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:08,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:08,138 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:08,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:57:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:08,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:08,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:08,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:08,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:08,764 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:08,764 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:10,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:10,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:57:10,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:10,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:10,163 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:10,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:10,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:10,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:10,165 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:10,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:57:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:10,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:10,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:57:10,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:10,791 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:10,791 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:12,231 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:12,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:57:12,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:12,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:12,252 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:12,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:12,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:12,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:12,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:12,254 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:12,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:57:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:12,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:12,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:12,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:12,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:12,880 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:12,880 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:14,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:14,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 03:57:14,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:14,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:14,364 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:14,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:14,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:14,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:14,369 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:14,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:57:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:14,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:14,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:14,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:14,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:15,003 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:15,003 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:16,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:16,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:16,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:16,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:16,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:16,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:16,555 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:16,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:57:17,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:17,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:17,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:17,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:17,154 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:17,155 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:18,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:18,489 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 03:57:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:18,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:18,502 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:18,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:18,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:18,505 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:18,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:57:19,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:19,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:19,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:19,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:19,229 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:19,229 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:20,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:20,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-25 03:57:20,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:20,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:20,839 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:20,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:20,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:20,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:20,842 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:20,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:57:21,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:21,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:21,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:21,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:21,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:21,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:23,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-25 03:57:23,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:23,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:23,077 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:23,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:23,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:23,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:23,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:23,082 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:23,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:57:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:23,558 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:23,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:23,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:23,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:23,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:23,708 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:25,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:25,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 03:57:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:25,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:25,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:25,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:25,286 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:25,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:57:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:25,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:25,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:25,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:25,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:25,994 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:25,995 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:27,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:57:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:27,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:27,517 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:27,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:27,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:27,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:27,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:27,522 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:27,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:57:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:28,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:28,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:28,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:28,189 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:28,189 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:29,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:29,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:57:29,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:29,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:29,564 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:29,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:29,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:29,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:29,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:29,566 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:29,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:57:30,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:30,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:30,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:30,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:30,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:30,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:30,261 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:31,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:31,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 03:57:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:31,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:31,828 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:31,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:31,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:31,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:31,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:31,833 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:57:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:32,348 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:32,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:57:32,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:32,486 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:32,487 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:34,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:34,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 03:57:34,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:34,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:34,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:34,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:34,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:34,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:34,021 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:34,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:57:34,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:34,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:34,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:34,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:34,659 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:34,660 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:36,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:36,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:36,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:36,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:36,312 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:36,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:36,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:36,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:36,316 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:36,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:57:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:36,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:36,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:36,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:36,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:36,974 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:36,975 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:38,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:38,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:38,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:38,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:38,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:38,526 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:38,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:57:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:39,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:39,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:39,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:39,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:39,295 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:39,296 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:40,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:40,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 03:57:40,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:40,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:40,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:40,889 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:40,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:40,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:40,893 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:40,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:57:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:41,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:41,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:41,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:41,562 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:41,562 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:43,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:43,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:43,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:43,136 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:43,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:43,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:43,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:43,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:43,138 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:43,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:57:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:43,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:43,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:43,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:43,834 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:43,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:45,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:45,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:45,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:45,169 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:45,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:45,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:45,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:45,173 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:45,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:57:45,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:45,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:45,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:45,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:45,950 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:45,950 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:47,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:47,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 03:57:47,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:47,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:47,299 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:47,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:47,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:47,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:47,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:47,300 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:47,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:57:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:47,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:47,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:47,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:47,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:48,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:48,012 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:49,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:49,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-11-25 03:57:49,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:49,527 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:49,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:49,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:49,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:49,531 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:49,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 03:57:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:50,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:50,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:50,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:50,226 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:50,226 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:51,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 03:57:51,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:51,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:51,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:51,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:51,625 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:51,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 03:57:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:52,188 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:52,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:52,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:52,353 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:52,353 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:53,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:53,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 03:57:53,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:53,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:53,909 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:53,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:53,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:53,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:53,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:53,911 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:53,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 03:57:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:54,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:54,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:54,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:54,628 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:54,636 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:57:56,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:56,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 03:57:56,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:56,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:56,262 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:56,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:56,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:56,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:56,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:56,266 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:56,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 03:57:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:56,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:56,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:56,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:56,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:56,980 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:57:56,981 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:57:58,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:57:58,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-25 03:57:58,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:58,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:57:58,560 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:57:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:57:58,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:58,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:57:58,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:57:58,567 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:57:58,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 03:57:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:59,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:57:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:59,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:57:59,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:59,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:57:59,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:00,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-25 03:58:00,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:00,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:00,789 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:00,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:00,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:00,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:00,794 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:00,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 03:58:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:01,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:01,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:01,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:58:01,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:01,514 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:01,515 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:02,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 03:58:02,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:02,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:02,954 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:02,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:02,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:02,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:02,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:02,955 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:02,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 03:58:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:03,551 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:03,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:58:03,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:03,693 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:03,693 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:04,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 03:58:04,484 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:06,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-25 03:58:18,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:58:28,790 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 03:58:28,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:28,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:28,811 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:28,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:28,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:28,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:28,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:28,812 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:28,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 03:58:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:29,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:29,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:58:29,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:29,563 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:29,563 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:30,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 03:58:30,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:30,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:30,997 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:30,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:30,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:30,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:30,999 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:31,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 03:58:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:31,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:31,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:31,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:58:31,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:31,765 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:31,765 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:32,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 03:58:32,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:33,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:33,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 03:58:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:33,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:33,844 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:33,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:33,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:33,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:33,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:33,846 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:33,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 03:58:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:34,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:34,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:34,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:58:34,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:34,654 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:34,654 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:36,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-25 03:58:36,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:36,422 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:36,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:36,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:36,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:36,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:36,425 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:36,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 03:58:37,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:37,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:37,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:58:37,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:37,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:58:37,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:38,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:38,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 03:58:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:38,886 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:38,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:38,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:38,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:38,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:38,890 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:38,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 03:58:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:39,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:39,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:58:39,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:39,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:58:39,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:41,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:41,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 03:58:41,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:41,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:41,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:41,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:41,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:41,383 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:41,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 03:58:42,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:42,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:42,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:58:42,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:42,193 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:42,193 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:43,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:43,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 03:58:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:43,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:43,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:43,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:43,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:43,861 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:43,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 03:58:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:44,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:44,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:44,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:58:44,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:44,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:58:44,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:46,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 03:58:46,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:46,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:46,217 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:46,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:46,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:46,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:46,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:46,219 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:46,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 03:58:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:46,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:46,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:46,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:58:46,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:47,001 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:47,001 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:48,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:48,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 03:58:48,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:48,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:48,698 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:48,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:48,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:48,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:48,700 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:48,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 03:58:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:49,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:49,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:58:49,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:49,483 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:49,483 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:51,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:51,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-25 03:58:51,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:51,082 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:51,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:51,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:51,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:51,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:51,084 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:51,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 03:58:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:51,740 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:51,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:51,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:58:51,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:51,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:58:51,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:53,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:53,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-25 03:58:53,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:53,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:53,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:53,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:53,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:53,817 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:53,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 03:58:54,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:54,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:54,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:58:54,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:54,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:58:54,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:58:56,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:56,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 03:58:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:56,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:56,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:56,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:56,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:56,355 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:56,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 03:58:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:57,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:57,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:57,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:58:57,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:57,294 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:58:57,295 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:58:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:58:58,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-25 03:58:59,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:58:59,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:58:59,013 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:58:59,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:58:59,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:58:59,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:58:59,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:58:59,014 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:58:59,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 03:58:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:59,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:58:59,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:58:59,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:58:59,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:58:59,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:58:59,848 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:01,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:01,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-25 03:59:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:01,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:01,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:01,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:01,330 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:01,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 03:59:02,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:02,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:02,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:02,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:02,179 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:02,179 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:03,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:03,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:03,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:03,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:03,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:03,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:03,673 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:03,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 03:59:04,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:04,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:04,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:59:04,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:04,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:04,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:06,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:06,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 03:59:06,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:06,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:06,511 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:06,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:06,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:06,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:06,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:06,514 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:06,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 03:59:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:07,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:07,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:07,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:07,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:07,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:09,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:09,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:09,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:09,255 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:09,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:09,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:09,262 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:09,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 03:59:09,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:09,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:10,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:10,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:10,118 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:10,126 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:11,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:11,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 03:59:11,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:11,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:11,810 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:11,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:11,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:11,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:11,815 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:11,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 03:59:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:12,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:12,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 03:59:12,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:12,963 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:12,964 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:13,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 03:59:13,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:15,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:15,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-25 03:59:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:15,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:15,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:15,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:15,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:15,059 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:15,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 03:59:15,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:15,804 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:15,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:15,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:16,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:16,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:17,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:17,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-25 03:59:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:17,523 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:17,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:17,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:17,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:17,525 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:17,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 03:59:18,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:18,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:18,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:18,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:59:18,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:18,530 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:18,530 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:20,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:20,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:20,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:20,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:20,110 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:20,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:20,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:20,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:20,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:20,112 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:20,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 03:59:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:20,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:20,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:20,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:20,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:21,017 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:21,018 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:22,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:22,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-25 03:59:22,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:22,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:22,731 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:22,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:22,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:22,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:22,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:22,733 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:22,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 03:59:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:23,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:23,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:23,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:23,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:23,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:25,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:25,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 03:59:25,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:25,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:25,258 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:25,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:25,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:25,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:25,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:25,262 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:25,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 03:59:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:26,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:26,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:26,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:26,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:26,225 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:26,226 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:27,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:27,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 03:59:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:27,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:27,709 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:27,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:27,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:27,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:27,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:27,711 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:27,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 03:59:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:28,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:28,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:59:28,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:28,682 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:28,682 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:30,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:30,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:30,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:30,167 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:30,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:30,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:30,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:30,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:30,173 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:30,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 03:59:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:30,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:31,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:31,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:31,107 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:31,107 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:32,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:32,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:32,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:32,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:32,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:32,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:32,820 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:32,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 03:59:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:33,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:33,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:59:33,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:33,773 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:33,783 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:35,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:35,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-25 03:59:35,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:35,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:35,453 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:35,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:35,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:35,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:35,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:35,455 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:35,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 03:59:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:36,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:36,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:36,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:59:36,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:36,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:36,440 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:38,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-25 03:59:38,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:38,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:38,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:38,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:38,101 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:38,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 03:59:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:38,901 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:38,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:38,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:39,058 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:39,059 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:40,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:40,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:40,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:40,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:40,868 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:40,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:40,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:40,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:40,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:40,871 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:40,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 03:59:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:41,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:41,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 03:59:41,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:41,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:41,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:43,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:43,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:43,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:43,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:43,473 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:43,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 03:59:44,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:44,280 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:44,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:44,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:44,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:44,412 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:44,412 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:45,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-25 03:59:45,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:45,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:45,979 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:45,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:45,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:45,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:45,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:45,983 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:45,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 03:59:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:46,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:46,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:46,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:46,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:46,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 03:59:48,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:48,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 03:59:48,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:48,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:48,538 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:48,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:48,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:48,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:48,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:48,541 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:48,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 03:59:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:49,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:49,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:49,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:49,546 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:49,547 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:50,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:51,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-25 03:59:51,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:51,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:51,028 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:51,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:51,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:51,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:51,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:51,035 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:51,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 03:59:51,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:51,853 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:51,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 03:59:51,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:51,994 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:51,994 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:53,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:53,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 03:59:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:53,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:53,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:53,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:53,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:53,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:53,490 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:53,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 03:59:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:54,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:54,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:54,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:54,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:54,480 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:54,480 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:56,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:56,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-11-25 03:59:56,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:56,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:56,058 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:56,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:56,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:56,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:56,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:56,060 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:56,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 03:59:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:56,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:56,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 03:59:56,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:57,053 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 03:59:57,054 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 03:59:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:59:58,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-25 03:59:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:59:58,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 03:59:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 03:59:58,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 03:59:58,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:59:58,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:59:58,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:59:58,506 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:59:58,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 03:59:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:59,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:59:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:59:59,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:59:59,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:59:59,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 03:59:59,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:01,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:01,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-25 04:00:01,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:01,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:01,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:01,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:01,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:01,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:01,110 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:01,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 04:00:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:01,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:02,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:02,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:00:02,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:02,118 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:02,118 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:03,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:03,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:03,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:03,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:03,906 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:03,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:03,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:03,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:03,909 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:03,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 04:00:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:04,770 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:04,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:00:04,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:04,928 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:04,928 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:06,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:06,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-25 04:00:06,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:06,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:06,670 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:06,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:06,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:06,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:06,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:06,672 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:06,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 04:00:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:07,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:07,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:00:07,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:07,744 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:07,745 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:09,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:09,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-25 04:00:09,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:09,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:09,368 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:09,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:09,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:09,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:09,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:09,371 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:09,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 04:00:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:10,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:10,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:00:10,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:10,399 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:10,400 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:11,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:11,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:11,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:11,808 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:11,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:11,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:11,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:11,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:11,811 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:11,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 04:00:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:12,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:12,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:00:12,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:12,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:12,880 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:14,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:14,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:14,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:14,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:14,494 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:14,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:14,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:14,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:14,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:14,496 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:14,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 04:00:15,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:15,400 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:15,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:00:15,492 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:15,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:15,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:17,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:17,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-25 04:00:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:17,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:17,276 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:17,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:17,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:17,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:17,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:17,278 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:17,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 04:00:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:18,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:18,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:00:18,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:18,339 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:18,340 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:20,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:20,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:20,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:20,033 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:20,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:20,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:20,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:20,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:20,036 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:20,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 04:00:20,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:20,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:21,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:00:21,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:21,084 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:21,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:22,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:22,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:22,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:22,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:22,615 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:22,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:22,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:22,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:22,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:22,617 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:22,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 04:00:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:23,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:23,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:23,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:00:23,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:23,679 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:23,679 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:25,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:25,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-25 04:00:25,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:25,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:25,196 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:25,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:25,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:25,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:25,198 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:25,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 04:00:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:26,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:26,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:00:26,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:26,313 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:26,313 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:27,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:27,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-25 04:00:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:28,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:28,000 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:28,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:28,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:28,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:28,002 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:28,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 04:00:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:28,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:28,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:00:28,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:29,057 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:29,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:30,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:30,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:30,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:30,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:30,625 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:30,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:30,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:30,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:30,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:30,627 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:30,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 04:00:31,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:31,560 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:31,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:00:31,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:31,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:31,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:33,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:33,655 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:33,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:33,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:33,682 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:33,682 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:33,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:33,683 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:33,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 04:00:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:34,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:34,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:00:34,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:34,845 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:34,845 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:36,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:36,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-25 04:00:36,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:36,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:36,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:36,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:36,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:36,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:36,418 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:36,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 04:00:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:37,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:37,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:00:37,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:37,517 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:37,517 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:39,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:39,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-25 04:00:39,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:39,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:39,398 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:39,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:39,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:39,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:39,400 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:39,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 04:00:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:40,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:40,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:40,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:00:40,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:40,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:40,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:42,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:42,109 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:42,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:42,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:42,135 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:42,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:42,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:42,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:42,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:42,137 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:42,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 04:00:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:43,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:43,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:00:43,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:43,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:43,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:00:44,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:44,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-25 04:00:44,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:44,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:44,850 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:44,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:44,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:44,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:44,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:44,855 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:44,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 04:00:45,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:45,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:46,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:00:46,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:46,114 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:00:46,114 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:00:48,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:48,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-25 04:00:48,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:00:48,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:00:48,056 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:00:48,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:00:48,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:00:48,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:00:48,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:00:48,060 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:00:48,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-25 04:00:49,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:49,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:00:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:00:49,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-25 04:00:49,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:00:49,584 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:00:51,312 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:00:51,312 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:00:52,479 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:00:52,480 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:00:55,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:00:55,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-25 04:01:13,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:13,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:13,682 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:13,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:13,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:13,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:13,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:13,684 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:13,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-25 04:01:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:14,701 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:14,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:01:14,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:14,861 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:14,862 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:16,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:16,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-25 04:01:16,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:16,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:16,758 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:16,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:16,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:16,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:16,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:16,759 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:16,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-25 04:01:17,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:17,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:17,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:01:17,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:17,829 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:01:17,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:01:19,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:19,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-25 04:01:19,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:19,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:19,478 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:19,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:19,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:19,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:19,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:19,480 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:19,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-25 04:01:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:20,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:20,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:01:20,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:20,697 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:20,697 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:22,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:22,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-25 04:01:22,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:22,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:22,540 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:22,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:22,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:22,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:22,547 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:22,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-25 04:01:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:23,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:23,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:01:23,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:23,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:01:23,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:01:25,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:25,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-25 04:01:25,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:25,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:25,436 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:25,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:25,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:25,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:25,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:25,438 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:25,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-25 04:01:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:26,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:26,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:26,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:01:26,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:26,713 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:26,714 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:28,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:28,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-25 04:01:28,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:28,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:28,516 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:28,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:28,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:28,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:28,517 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:28,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-25 04:01:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:29,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:29,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:29,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:01:29,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:29,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:01:29,679 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:01:31,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:31,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-25 04:01:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:31,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:31,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:31,508 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:31,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:31,512 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:31,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-25 04:01:32,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:32,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:32,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:01:32,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:32,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:01:32,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:01:34,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:34,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-25 04:01:34,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:34,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:34,624 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:34,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:34,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:34,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:34,627 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:34,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-25 04:01:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:35,792 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:35,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:01:35,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:35,963 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:35,964 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:37,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-25 04:01:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:37,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:37,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:37,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:37,757 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:37,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-25 04:01:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:38,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:38,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:38,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 04:01:38,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:38,984 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:38,984 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:39,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 04:01:39,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:01:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:41,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-25 04:01:41,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:41,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:41,444 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:41,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:41,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:41,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:41,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:41,446 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:41,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-25 04:01:42,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:42,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:42,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:01:42,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:42,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:01:42,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:01:44,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:44,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-25 04:01:44,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:44,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:44,949 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:44,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:44,949 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:44,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:44,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:44,950 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:44,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-25 04:01:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:46,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:46,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:46,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:01:46,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:46,240 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:46,240 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:48,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:48,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-25 04:01:48,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:48,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:48,181 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:48,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:48,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:48,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:48,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:48,183 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:48,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-25 04:01:49,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:49,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:49,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:01:49,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:49,404 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:49,404 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:51,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:51,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-25 04:01:51,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:51,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:51,276 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:51,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:51,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:51,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:51,281 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:51,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-25 04:01:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:52,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:52,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:01:52,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:52,543 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:01:52,543 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:01:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:54,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Forceful destruction successful, exit code 0 [2024-11-25 04:01:54,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:54,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:54,172 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:54,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:54,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:54,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:54,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:54,174 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:54,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-25 04:01:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:55,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:55,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:01:55,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:55,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:01:55,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:01:57,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:01:57,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-25 04:01:57,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:01:57,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:01:57,274 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:01:57,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:01:57,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:01:57,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:01:57,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:01:57,280 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:01:57,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-25 04:01:58,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:58,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:01:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:01:58,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:01:58,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:01:58,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:01:58,573 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:00,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:00,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:00,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:00,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:00,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:00,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:00,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:00,267 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:00,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-25 04:02:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:01,342 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:01,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:02:01,418 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:01,490 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:01,498 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:03,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:03,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:03,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:03,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:03,173 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:03,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:03,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:03,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:03,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:03,179 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:03,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-25 04:02:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:04,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:04,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:02:04,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:04,385 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:04,385 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:06,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-25 04:02:06,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:06,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:06,138 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:06,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:06,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:06,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:06,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:06,140 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:06,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-25 04:02:07,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:07,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:07,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:07,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:02:07,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:07,374 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:07,375 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:08,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:08,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-25 04:02:08,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:08,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:08,931 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:08,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:08,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:08,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:08,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:08,933 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:08,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-25 04:02:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:10,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:10,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:02:10,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:10,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:10,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:11,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:11,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:11,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:11,735 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:11,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:11,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:11,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:11,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:11,737 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:11,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-25 04:02:12,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:12,836 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:12,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:12,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:02:12,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:12,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:12,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:14,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:14,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-25 04:02:14,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:14,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:14,535 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:14,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:14,536 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:14,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:14,541 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:14,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-25 04:02:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:15,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:15,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:02:15,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:16,043 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:16,043 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:17,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:17,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-25 04:02:17,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:17,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:17,861 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:17,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:17,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:17,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:17,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:17,864 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:17,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-25 04:02:18,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:18,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:19,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:02:19,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:19,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:19,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:20,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:20,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:20,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:20,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:20,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:20,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:20,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:20,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:20,713 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:20,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-25 04:02:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:21,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:21,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:21,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:02:21,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:21,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:22,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:23,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:23,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-25 04:02:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:23,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:23,716 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:23,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:23,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:23,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:23,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:23,720 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:23,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-25 04:02:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:24,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:24,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:02:24,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:24,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:24,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:26,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:26,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:27,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:27,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:27,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:27,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:27,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:27,064 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:27,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-25 04:02:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:28,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:28,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:02:28,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:28,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:28,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:30,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:30,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:30,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:30,092 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:30,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:30,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:30,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:30,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:30,094 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:30,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-25 04:02:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:31,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:31,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:02:31,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:31,366 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:31,366 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:33,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:33,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:33,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:33,068 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:33,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:33,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:33,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:33,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:33,072 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:33,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-25 04:02:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:34,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:34,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:02:34,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:34,394 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:34,394 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:36,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:36,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-25 04:02:36,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:36,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:36,208 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:36,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:36,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:36,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:36,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:36,210 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:36,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-25 04:02:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:37,361 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:37,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:02:37,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:37,514 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:37,514 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:39,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:39,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-25 04:02:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:39,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:39,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:39,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:39,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:39,405 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:39,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-25 04:02:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:40,562 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:40,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:02:40,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:40,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:40,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:42,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:42,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-25 04:02:42,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:42,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:42,432 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:42,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:42,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:42,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:42,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:42,435 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:42,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-25 04:02:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:43,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:43,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:43,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:02:43,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:43,764 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:43,764 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:45,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:45,519 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:45,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:45,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:45,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:45,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:45,606 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:45,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-25 04:02:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:46,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:46,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:46,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-25 04:02:46,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:46,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:47,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:49,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:49,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-25 04:02:50,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:50,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:50,006 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:50,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:50,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:50,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:50,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:50,008 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:50,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-25 04:02:51,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:51,308 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:51,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:02:51,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:51,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:51,472 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:02:53,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:53,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-11-25 04:02:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:53,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:53,484 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:53,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:53,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:53,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:53,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:53,486 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:53,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-25 04:02:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:54,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:54,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:54,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:02:54,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:54,833 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:02:54,833 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:02:57,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:02:57,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-11-25 04:02:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:02:57,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:02:57,191 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:02:57,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:02:57,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:02:57,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:02:57,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:02:57,193 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:02:57,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-25 04:02:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:58,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:02:58,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:02:58,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 04:02:58,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:02:58,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:02:59,289 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:02:59,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:03:00,009 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:03:00,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:03:01,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:01,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:01,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:01,822 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:01,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:01,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:01,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:01,826 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:01,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-25 04:03:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:03,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:03,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:03,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:03:03,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:03,224 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:03:03,225 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:03:04,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:04,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:04,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:04,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:04,983 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:04,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:04,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:04,984 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:04,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:04,985 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:04,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-25 04:03:06,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:06,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:06,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:03:06,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:06,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:03:06,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:03:08,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:08,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:08,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:08,284 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:08,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:08,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:08,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:08,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:08,286 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:08,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-25 04:03:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:09,529 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:09,612 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:03:09,613 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:09,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:03:09,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:03:11,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:11,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:11,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:11,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:11,404 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:11,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-25 04:03:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:12,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:12,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:03:12,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:12,820 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:03:12,820 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:03:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:14,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:14,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:14,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:14,853 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:14,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:14,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:14,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:14,857 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:14,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-25 04:03:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:16,249 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:16,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-25 04:03:16,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:16,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:03:17,148 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:03:17,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:03:18,071 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:03:18,072 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:03:20,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:20,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-25 04:03:20,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:20,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:20,145 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:20,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:20,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:20,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:20,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:20,147 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:20,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-25 04:03:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:21,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:21,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:03:21,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:21,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:03:21,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:03:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:23,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-25 04:03:23,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:23,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:23,553 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:23,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:23,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:23,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:23,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:23,556 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:23,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-25 04:03:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:24,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:24,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:24,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:03:24,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:25,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:03:25,052 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:03:26,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:26,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:26,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:26,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:26,920 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:26,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:26,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:26,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:26,922 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:26,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-25 04:03:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:28,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:28,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:03:28,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:28,607 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:03:28,608 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:03:30,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:30,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-25 04:03:30,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:30,599 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:30,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:30,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:30,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:30,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:30,600 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:30,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-25 04:03:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:31,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:32,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:03:32,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:32,098 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:03:32,098 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:03:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:33,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:33,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:33,982 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:33,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:33,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:33,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:33,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:33,983 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:33,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-25 04:03:35,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:35,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:35,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:03:35,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:35,481 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:03:35,481 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:03:37,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:37,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-25 04:03:37,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:37,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:37,399 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:37,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:37,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:37,399 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:37,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:37,401 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:37,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-25 04:03:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:38,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:38,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:03:38,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:38,846 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:03:38,846 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:03:40,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:40,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-25 04:03:40,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:40,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:40,553 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:40,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:40,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:40,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:40,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:40,555 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:40,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-25 04:03:41,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:41,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:41,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:41,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:03:41,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:42,042 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:03:42,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:03:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:43,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-25 04:03:43,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:43,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:43,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:43,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:43,877 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:43,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-25 04:03:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:45,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:45,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:45,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:03:45,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:45,329 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:03:45,330 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:03:46,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:47,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-25 04:03:47,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:03:47,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:03:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:03:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:03:47,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:03:47,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:03:47,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:03:47,056 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:03:47,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-25 04:03:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:48,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:03:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:03:48,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-25 04:03:48,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:03:48,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:03:49,070 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:03:49,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:03:49,693 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:03:49,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:03:51,191 INFO L349 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2024-11-25 04:03:51,191 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 41 [2024-11-25 04:03:52,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-25 04:03:54,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:03:54,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-25 04:04:19,892 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-25 04:04:20,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:20,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:20,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:20,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:20,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:20,011 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:20,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-25 04:04:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:21,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:21,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:21,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:21,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:21,436 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:21,436 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:04:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:23,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-25 04:04:23,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:23,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:23,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:23,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:23,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:23,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:23,115 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:23,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-25 04:04:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:24,408 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:24,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:04:24,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:24,577 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:24,577 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:04:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:26,520 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-25 04:04:26,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:26,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:26,580 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:26,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:26,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:26,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:26,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:26,582 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:26,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-25 04:04:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:27,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:27,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:27,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:28,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:04:28,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:04:30,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:30,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-25 04:04:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:30,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:30,202 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:30,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:30,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:30,203 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:30,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-25 04:04:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:31,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:31,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:31,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:04:31,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:31,668 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:31,668 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:04:33,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:33,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-25 04:04:33,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:33,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:33,494 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:33,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:33,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:33,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:33,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:33,496 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:33,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-25 04:04:34,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:34,828 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:34,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:34,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:34,980 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:34,980 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:04:37,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:37,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-25 04:04:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:37,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:37,115 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:37,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:37,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:37,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:37,118 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:37,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-25 04:04:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:38,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:38,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:38,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:38,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:04:38,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:04:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:40,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-25 04:04:40,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:40,639 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:40,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:40,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:40,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:40,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:40,641 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:40,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-25 04:04:41,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:41,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:42,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:04:42,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:42,106 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:42,107 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:04:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:43,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-25 04:04:43,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:43,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:43,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:43,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:43,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:43,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:43,726 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:43,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-25 04:04:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:45,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:45,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:45,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:45,264 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:45,264 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:04:46,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:47,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-25 04:04:47,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:47,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:47,069 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:47,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:47,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:47,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:47,071 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:47,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-25 04:04:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:48,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:48,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:48,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:48,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:48,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:04:48,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:04:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:50,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-25 04:04:50,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:50,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:50,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:50,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:50,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:50,399 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:50,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-25 04:04:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:51,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:51,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:51,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:51,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:04:51,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:04:53,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:53,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-25 04:04:53,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:53,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:53,760 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:53,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:53,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:53,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:53,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:53,762 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:53,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-25 04:04:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:55,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:55,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:04:55,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:55,372 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:55,372 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:04:57,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:04:57,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-25 04:04:57,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:04:57,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:04:57,379 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:04:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:04:57,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:04:57,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:04:57,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:04:57,381 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:04:57,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-25 04:04:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:58,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:04:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:04:58,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:04:58,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:04:58,987 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:04:58,987 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:05:00,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:00,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-25 04:05:00,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:00,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:00,795 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:00,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:00,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:00,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:00,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:00,797 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:00,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-25 04:05:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:02,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:02,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:05:02,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:02,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:05:04,168 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:05:04,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:05:06,581 INFO L349 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2024-11-25 04:05:06,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 100 [2024-11-25 04:05:29,444 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:05:30,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:30,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-25 04:05:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:34,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:34,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:34,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:34,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:34,809 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:34,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-25 04:05:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:36,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:36,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:36,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:05:36,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:36,368 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:05:36,369 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:05:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:38,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-25 04:05:38,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:38,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:38,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:38,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:38,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:38,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:38,331 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:38,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-25 04:05:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:39,723 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:39,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:39,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:05:39,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:39,857 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:05:39,857 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:05:41,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:41,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-25 04:05:41,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:41,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:41,543 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:41,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:41,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:41,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:41,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:41,545 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:41,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-25 04:05:42,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:42,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:43,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:05:43,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:43,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:05:43,120 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:05:44,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:44,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-25 04:05:44,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:44,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:44,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:44,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:44,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:44,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:44,916 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:44,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-25 04:05:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:46,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:46,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:05:46,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:46,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:05:47,116 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:05:47,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:05:47,879 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:05:47,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:05:49,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:49,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-25 04:05:49,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:49,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:49,924 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:49,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:49,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:49,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:49,926 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:49,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-25 04:05:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:51,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:51,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:05:51,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:51,490 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:05:51,491 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:05:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:53,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-25 04:05:53,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:53,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:53,687 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:53,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:53,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:53,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:53,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:53,689 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:53,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-25 04:05:55,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:55,095 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:55,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:05:55,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:55,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:05:55,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:05:57,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:05:57,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-25 04:05:57,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:05:57,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:05:57,230 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:05:57,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:05:57,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:05:57,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:05:57,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:05:57,231 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:05:57,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-25 04:05:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:58,645 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:05:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:05:58,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:05:58,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:05:58,784 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:05:58,784 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:00,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:00,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-25 04:06:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:00,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:00,461 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:00,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:00,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:00,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:00,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:00,463 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:00,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-25 04:06:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:01,924 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:02,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:02,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:02,103 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:02,104 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:04,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-25 04:06:04,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:04,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:04,340 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:04,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:04,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:04,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:04,342 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:04,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-25 04:06:05,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:05,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:05,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:05,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:06,048 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:06,048 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:07,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:07,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-25 04:06:07,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:07,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:07,970 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:07,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:07,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:07,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:07,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:07,972 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:07,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-25 04:06:09,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:09,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:09,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:06:09,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:09,512 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:06:09,520 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:06:11,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:11,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-25 04:06:11,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:11,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:11,213 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:11,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:11,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:11,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:11,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:11,215 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:11,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-25 04:06:12,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:12,678 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:12,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:12,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:12,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:06:12,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:06:14,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:14,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-25 04:06:14,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:14,976 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:14,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:14,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:14,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:14,977 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:14,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-25 04:06:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:16,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:16,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:06:16,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:16,662 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:06:16,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:06:18,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:18,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-25 04:06:18,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:18,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:18,630 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:18,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:18,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:18,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:18,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:18,633 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:18,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-25 04:06:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:20,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:20,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:06:20,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:20,296 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:20,296 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:22,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Forceful destruction successful, exit code 0 [2024-11-25 04:06:22,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:22,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:22,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:22,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:22,099 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:22,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-25 04:06:23,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:23,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:23,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:23,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:06:23,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:23,737 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:23,738 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:25,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-25 04:06:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:25,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:25,854 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:25,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:25,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:25,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:25,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:25,856 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:25,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-25 04:06:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:27,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:27,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:27,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:27,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:27,504 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:27,505 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:29,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-25 04:06:29,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:29,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:29,443 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:29,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:29,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:29,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:29,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:29,445 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:29,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-25 04:06:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:30,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:31,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:31,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:31,100 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:31,101 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:33,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-25 04:06:33,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:33,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:33,411 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:33,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:33,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:33,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:33,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:33,415 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:33,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-25 04:06:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:34,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:35,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:06:35,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:35,118 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:35,119 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:37,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:37,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-25 04:06:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:37,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:37,354 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:37,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:37,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:37,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:37,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:37,355 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:37,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-25 04:06:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:38,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:38,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-25 04:06:38,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:38,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:06:39,524 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:06:39,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:06:40,280 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-25 04:06:40,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-25 04:06:42,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:42,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-25 04:06:42,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:42,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:42,387 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:42,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:42,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:42,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:42,389 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:42,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-25 04:06:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:43,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:44,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:06:44,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:44,094 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:44,095 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:46,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:46,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-25 04:06:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:46,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:46,373 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:46,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:46,373 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:46,373 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:46,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:46,375 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:46,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-25 04:06:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:47,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:47,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:47,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:48,031 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:48,031 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:49,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:49,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-25 04:06:50,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:50,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:50,067 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:50,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:50,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:50,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:50,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:50,069 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:50,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-25 04:06:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:51,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:51,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 04:06:51,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:51,758 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:51,758 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:52,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 04:06:52,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:06:54,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:54,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-25 04:06:54,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:54,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:54,238 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:54,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:54,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:54,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:54,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:54,240 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:54,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-25 04:06:55,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:55,863 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:55,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:55,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:06:55,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:56,021 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:56,021 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:06:57,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:06:57,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-25 04:06:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:06:57,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:06:57,959 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:06:57,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:06:57,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:06:57,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:06:57,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:06:57,962 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:06:57,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-25 04:06:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:59,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:06:59,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:06:59,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:06:59,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:06:59,652 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:06:59,653 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:01,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-25 04:07:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:01,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:01,484 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:01,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:01,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:01,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:01,487 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:01,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-25 04:07:03,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:03,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:03,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:07:03,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:03,179 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:03,179 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:04,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:05,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-25 04:07:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:05,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:05,136 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:05,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:05,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:05,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:05,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:05,138 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:05,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-25 04:07:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:06,728 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:06,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:07:06,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:06,910 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:06,911 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:08,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-25 04:07:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:08,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:08,997 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:08,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:08,998 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:08,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-25 04:07:10,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:10,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:10,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:07:10,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:10,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:07:10,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:07:12,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:12,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Forceful destruction successful, exit code 0 [2024-11-25 04:07:12,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:12,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:12,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:12,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:12,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:12,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:12,649 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:12,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-25 04:07:14,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:14,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:14,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:07:14,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:14,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:07:14,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:07:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:16,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-25 04:07:16,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:16,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:16,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:16,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:16,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:16,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:16,578 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:16,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-25 04:07:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:18,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:18,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:07:18,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:18,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:07:18,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:07:20,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:20,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-25 04:07:20,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:20,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:20,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:20,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:20,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:20,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:20,514 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:20,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-25 04:07:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:22,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:22,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:07:22,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:22,231 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:07:22,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:07:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:24,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-25 04:07:24,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:24,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:24,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:24,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:24,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:24,345 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:24,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-25 04:07:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:26,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:26,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:07:26,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:26,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:07:26,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:07:28,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:28,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-25 04:07:28,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:28,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:28,271 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:28,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:28,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:28,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:28,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:28,274 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:28,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-25 04:07:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:29,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:29,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:07:29,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:30,049 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:30,049 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:32,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:32,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-25 04:07:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:32,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:32,104 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:32,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:32,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:32,104 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:32,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:32,106 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:32,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-25 04:07:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:33,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:33,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:07:33,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:33,871 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:33,871 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:35,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-25 04:07:36,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:36,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:36,032 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:36,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:36,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:36,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:36,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:36,034 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:36,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-25 04:07:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:37,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:37,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:07:37,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:37,786 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:37,787 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:39,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:39,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-25 04:07:39,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:39,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:39,662 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:39,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:39,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:39,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:39,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:39,664 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:39,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-25 04:07:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:41,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:41,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:07:41,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:41,446 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:41,447 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:43,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:43,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-25 04:07:43,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:43,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:43,436 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:43,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:43,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:43,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:43,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:43,438 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:43,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-25 04:07:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:45,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:45,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:07:45,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:45,393 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:45,393 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:47,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:47,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-25 04:07:47,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:47,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:47,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:47,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:47,582 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:47,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-25 04:07:49,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:49,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:49,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:07:49,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:49,395 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:49,395 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:51,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:51,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-25 04:07:51,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:51,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:51,129 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:51,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:51,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:51,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:51,132 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:51,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-25 04:07:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:52,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:52,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:52,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:07:52,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:52,892 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:52,892 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:54,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:54,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-25 04:07:54,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:54,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:54,801 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:54,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:54,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:54,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:54,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:54,803 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:54,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-25 04:07:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:56,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:07:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:07:56,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:07:56,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:07:56,630 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:07:56,630 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:07:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:07:58,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-25 04:07:58,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:07:58,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:07:58,799 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:07:58,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:07:58,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:07:58,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:07:58,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:07:58,803 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:07:58,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-25 04:08:00,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:00,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:00,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:08:00,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:00,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:08:00,611 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:08:02,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:02,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-25 04:08:02,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:02,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:02,535 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:02,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:02,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:02,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:02,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:02,538 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:02,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-25 04:08:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:04,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:04,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:08:04,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:04,274 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:04,275 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:05,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:05,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-25 04:08:06,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:06,022 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:06,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:06,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:06,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:06,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:06,024 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:06,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-25 04:08:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:07,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:07,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:07,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:07,838 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:07,838 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:09,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:09,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-25 04:08:09,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:09,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:09,578 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:09,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:09,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:09,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:09,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:09,580 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:09,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-25 04:08:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:11,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:11,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:11,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:11,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:08:11,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:08:13,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:13,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-25 04:08:13,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:13,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:13,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:13,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:13,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:13,159 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:13,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-25 04:08:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:14,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:14,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:14,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:15,002 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:08:15,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:08:16,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:16,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-11-25 04:08:16,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:16,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:16,909 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:16,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:16,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:16,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:16,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:16,912 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:16,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-25 04:08:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:18,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:18,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:18,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:18,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:18,762 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:18,762 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:20,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Forceful destruction successful, exit code 0 [2024-11-25 04:08:20,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:20,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:20,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:20,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:20,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:20,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:20,404 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:20,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-25 04:08:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:22,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:22,168 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:22,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:22,239 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:22,240 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:23,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:23,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-25 04:08:23,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:23,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:23,714 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:23,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:23,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:23,715 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:23,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:23,716 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:23,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-25 04:08:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:25,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:25,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:08:25,458 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:25,521 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:25,522 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:27,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:27,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-25 04:08:27,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:27,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:27,237 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:27,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:27,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:27,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:27,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:27,239 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:27,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-25 04:08:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:28,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:29,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:08:29,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:29,077 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:29,077 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:30,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:30,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-25 04:08:30,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:30,794 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:30,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:30,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:30,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:30,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:30,796 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:30,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-25 04:08:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:32,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:32,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:08:32,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:32,617 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:32,617 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:34,135 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:34,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-25 04:08:34,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:34,242 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:34,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:34,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:34,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:34,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:34,244 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:34,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-25 04:08:35,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:35,980 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:36,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 04:08:36,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:36,122 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:36,122 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:36,471 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 04:08:37,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:08:38,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:38,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-25 04:08:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:38,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:38,359 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:38,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:38,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:38,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:38,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:38,360 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:38,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-25 04:08:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:40,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:40,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:08:40,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:40,204 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:40,205 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:41,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:41,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-25 04:08:42,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:42,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:42,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:42,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:42,032 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:42,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-25 04:08:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:43,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:43,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:43,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:44,056 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:44,056 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:46,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:46,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-25 04:08:46,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:46,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:46,171 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:46,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:46,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:46,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:46,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:46,173 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:46,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-25 04:08:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:48,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:48,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:48,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:08:48,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:48,163 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:48,164 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:08:49,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:49,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-25 04:08:49,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:49,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:49,867 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:49,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:49,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:49,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:49,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:49,869 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:49,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-25 04:08:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:51,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:51,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:51,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:51,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:08:51,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:08:53,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:53,528 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-25 04:08:53,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:53,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:53,585 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:53,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:53,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:53,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:53,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:53,587 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:53,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-25 04:08:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:55,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:55,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:55,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:08:55,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:55,562 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:08:55,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:08:57,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:08:57,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-25 04:08:57,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:08:57,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:08:57,441 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:08:57,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:08:57,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:08:57,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:08:57,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:08:57,443 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:08:57,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-25 04:08:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:59,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:08:59,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:08:59,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:08:59,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:08:59,360 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:08:59,360 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:00,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-25 04:09:01,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:01,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:01,051 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:01,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:01,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:01,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:01,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:01,053 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:01,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-25 04:09:02,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:02,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:02,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:09:02,896 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:02,969 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:09:02,977 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:09:04,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:04,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-25 04:09:04,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:04,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:04,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:04,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:04,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:04,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:04,712 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:04,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-25 04:09:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:06,587 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:06,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:09:06,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:06,730 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:06,730 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:08,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:08,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-25 04:09:08,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:08,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:08,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:08,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:08,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:08,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:08,329 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:08,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-25 04:09:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:10,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:10,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:09:10,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:10,275 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:10,275 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:11,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:11,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-25 04:09:11,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:11,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:11,728 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:11,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:11,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:11,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:11,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:11,730 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:11,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-25 04:09:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:13,490 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:13,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:09:13,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:13,674 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:13,674 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:15,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:15,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-25 04:09:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:15,177 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:15,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:15,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:15,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:15,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:15,179 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:15,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-25 04:09:16,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:16,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:17,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:09:17,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:17,134 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:17,135 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:18,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:18,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-25 04:09:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:18,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:18,783 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:18,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:18,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:18,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:18,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:18,785 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:18,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-25 04:09:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:20,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:20,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:09:20,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:20,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:09:20,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:09:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:22,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-25 04:09:22,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:22,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:22,556 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:22,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:22,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:22,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:22,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:22,558 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:22,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-25 04:09:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:24,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:24,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:09:24,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:24,483 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:24,483 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:26,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:26,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-25 04:09:26,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:26,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:26,280 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:26,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:26,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:26,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:26,282 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:26,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-25 04:09:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:28,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:28,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:09:28,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:28,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:09:28,254 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:09:29,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:29,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-25 04:09:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:29,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:29,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:29,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:29,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:29,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:29,884 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:29,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-25 04:09:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:31,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:31,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:31,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-25 04:09:31,749 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:31,822 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:31,822 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:32,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-11-25 04:09:32,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:09:33,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:33,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-25 04:09:34,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:34,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:34,001 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:34,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:34,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:34,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:34,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:34,003 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:34,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-25 04:09:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:35,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:35,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:09:35,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:36,045 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:36,046 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:37,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-25 04:09:37,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:37,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:37,659 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:37,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:37,659 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:37,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:37,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:37,661 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:37,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-25 04:09:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:39,470 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:39,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:39,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:09:39,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:39,617 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:39,618 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:41,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-25 04:09:41,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:41,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:41,465 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:41,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:41,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:41,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:41,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:41,467 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:41,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-25 04:09:43,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:43,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:43,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:09:43,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:43,407 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:43,408 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:44,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:44,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-25 04:09:45,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:45,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:45,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:45,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:45,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:45,049 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:45,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-25 04:09:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:46,891 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:46,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:46,965 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:09:46,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:47,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:09:47,046 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:09:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:48,580 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-25 04:09:48,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:48,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:48,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:48,638 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:48,638 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:48,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:48,640 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:48,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-25 04:09:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:50,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:50,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:09:50,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:50,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:09:50,626 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:09:52,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:52,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-25 04:09:53,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:53,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:53,026 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:53,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:53,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:53,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:53,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:53,027 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:53,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-25 04:09:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:54,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:54,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:09:54,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:55,050 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:55,051 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:09:57,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:09:57,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-25 04:09:57,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:09:57,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:09:57,141 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:09:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:09:57,141 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:09:57,141 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:09:57,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:09:57,143 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:09:57,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-25 04:09:59,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:59,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:09:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:09:59,164 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:09:59,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:09:59,233 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:09:59,233 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:00,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:00,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-25 04:10:00,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:00,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:00,745 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:00,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:00,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:00,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:00,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:00,746 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:00,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-25 04:10:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:02,633 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:02,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:02,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:10:02,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:02,771 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:02,771 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:04,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:04,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-25 04:10:04,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:04,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:04,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:04,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:04,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:04,568 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:04,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-25 04:10:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:06,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:06,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:06,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:10:06,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:06,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:10:06,576 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:10:07,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:07,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Forceful destruction successful, exit code 0 [2024-11-25 04:10:08,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:08,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:08,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:08,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:08,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:08,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:08,011 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:08,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-25 04:10:09,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:09,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:10,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:10:10,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:10,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:10:10,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:10:12,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:12,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-25 04:10:12,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:12,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:12,264 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:12,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:12,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:12,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:12,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:12,266 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:12,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-25 04:10:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:14,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:14,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:14,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:10:14,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:14,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:10:14,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:10:16,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:16,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-25 04:10:16,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:16,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:16,245 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:16,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:16,245 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:16,245 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:16,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:16,247 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:16,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-25 04:10:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:18,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:18,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:10:18,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:18,222 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:18,223 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:20,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-25 04:10:20,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:20,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:20,254 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:20,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:20,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:20,256 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:20,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-25 04:10:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:22,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:22,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:10:22,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:22,316 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:22,317 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:24,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:24,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-25 04:10:24,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:24,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:24,086 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:24,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:24,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:24,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:24,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:24,088 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:24,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-25 04:10:26,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:26,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:26,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:26,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:10:26,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:26,173 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:26,174 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:27,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:27,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-25 04:10:27,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:27,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:27,838 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:27,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:27,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:27,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:27,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:27,840 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:27,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-25 04:10:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:29,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:29,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:10:29,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:30,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:10:30,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:10:31,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:31,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-25 04:10:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:31,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:31,523 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:31,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:31,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:31,525 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:31,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-25 04:10:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:33,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:33,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:10:33,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:33,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:10:33,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:10:35,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:35,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-25 04:10:35,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:35,120 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:35,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:35,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:35,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:35,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:35,122 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:35,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-25 04:10:37,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:37,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:37,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:37,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:10:37,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:37,217 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:37,217 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:38,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-25 04:10:38,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:38,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:38,958 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:38,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:38,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:38,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:38,960 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:38,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-25 04:10:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:40,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:40,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:10:40,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:41,041 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:41,041 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:42,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:42,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-25 04:10:42,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:42,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:42,970 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:42,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:42,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:42,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:42,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:42,973 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:42,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-25 04:10:44,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:44,919 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:45,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:10:45,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:45,066 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:45,067 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:46,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:46,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Forceful destruction successful, exit code 0 [2024-11-25 04:10:46,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:46,704 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:46,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:46,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:46,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:46,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:46,706 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:46,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-25 04:10:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:48,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:48,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:48,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 04:10:48,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:48,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:10:48,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:10:50,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:50,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-25 04:10:50,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:50,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:50,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:50,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:50,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:50,559 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:50,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-25 04:10:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:52,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:52,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 04:10:52,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:52,691 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-25 04:10:52,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-25 04:10:54,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:54,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-25 04:10:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:54,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:54,537 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:54,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:54,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:54,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:54,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:54,539 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:54,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-25 04:10:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:56,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:10:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:10:56,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:10:56,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:10:56,655 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:10:56,655 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:10:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:10:58,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-25 04:10:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:10:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:10:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:10:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:10:58,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:10:58,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:10:58,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:10:58,382 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:10:58,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-25 04:11:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:00,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:11:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:00,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:11:00,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:11:00,484 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:11:00,485 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:11:02,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:02,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-25 04:11:02,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:02,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:11:02,180 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:11:02,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:11:02,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:02,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:02,186 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:02,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-25 04:11:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:04,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:11:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:11:04,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 04:11:04,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:11:04,289 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 04:11:04,290 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-25 04:11:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:11:06,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-25 04:11:06,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:11:06,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 76 states and 118 transitions. [2024-11-25 04:11:06,223 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 118 transitions. [2024-11-25 04:11:06,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 04:11:06,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:11:06,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:11:06,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:11:06,224 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:11:06,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db579b2c-467c-46e7-87c0-5d2186e78299/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process