./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.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_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:31:44,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:31:44,157 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:31:44,161 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:31:44,162 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:31:44,181 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:31:44,182 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:31:44,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:31:44,182 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:31:44,182 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:31:44,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:31:44,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:31:44,182 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:31:44,183 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:31:44,183 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:31:44,184 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:31:44,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:31:44,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:44,184 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:31:44,184 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:31:44,184 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:31:44,184 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:31:44,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:31:44,184 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_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2024-12-05 23:31:44,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:31:44,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:31:44,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:31:44,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:31:44,432 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:31:44,433 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-12-05 23:31:47,111 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/016195f05/9b1b9b5c885f4ca4a1a529f8392fd2c0/FLAGb074cb8b7 [2024-12-05 23:31:47,306 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:31:47,307 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-12-05 23:31:47,314 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/016195f05/9b1b9b5c885f4ca4a1a529f8392fd2c0/FLAGb074cb8b7 [2024-12-05 23:31:47,328 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/016195f05/9b1b9b5c885f4ca4a1a529f8392fd2c0 [2024-12-05 23:31:47,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:31:47,331 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:31:47,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:47,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:31:47,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:31:47,336 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d589881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47, skipping insertion in model container [2024-12-05 23:31:47,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:47" (1/1) ... [2024-12-05 23:31:47,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:31:47,456 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-12-05 23:31:47,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57a4d517 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:47, skipping insertion in model container [2024-12-05 23:31:47,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:47,457 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-12-05 23:31:47,459 INFO L158 Benchmark]: Toolchain (without parser) took 127.05ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 83.5MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:47,459 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:31:47,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 124.97ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 83.5MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:31:47,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 124.97ms. Allocated memory is still 117.4MB. Free memory was 92.0MB in the beginning and 83.5MB in the end (delta: 8.5MB). 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_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:31:49,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:31:49,305 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:31:49,331 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:31:49,332 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:31:49,332 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:31:49,332 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:31:49,332 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:31:49,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:31:49,333 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:31:49,334 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:49,334 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:31:49,334 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:31:49,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:49,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:31:49,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:31:49,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:31:49,335 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:31:49,335 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:31:49,335 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:31:49,335 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_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c8b963dab0783e422b75953189370465965b212870ded446ba90d377e4c26669 [2024-12-05 23:31:49,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:31:49,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:31:49,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:31:49,581 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:31:49,581 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:31:49,583 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-12-05 23:31:52,890 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/b78aefd60/870ced775be14c4e99c4f6c25ee1794e/FLAG4eddd81b4 [2024-12-05 23:31:53,071 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:31:53,072 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c [2024-12-05 23:31:53,081 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/b78aefd60/870ced775be14c4e99c4f6c25ee1794e/FLAG4eddd81b4 [2024-12-05 23:31:53,096 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/data/b78aefd60/870ced775be14c4e99c4f6c25ee1794e [2024-12-05 23:31:53,098 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:31:53,099 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:31:53,101 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:53,101 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:31:53,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:31:53,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,107 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340ef0be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53, skipping insertion in model container [2024-12-05 23:31:53,107 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,124 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:31:53,310 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_0bd0850e-b07e-4edb-8e56-76b387d5323c/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2024-12-05 23:31:53,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:53,328 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:31:53,370 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_0bd0850e-b07e-4edb-8e56-76b387d5323c/sv-benchmarks/c/float-newlib/float_req_bl_0683a.c[5826,5839] [2024-12-05 23:31:53,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:31:53,391 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:31:53,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53 WrapperNode [2024-12-05 23:31:53,391 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:31:53,392 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:53,392 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:31:53,392 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:31:53,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,409 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,432 INFO L138 Inliner]: procedures = 25, calls = 89, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 258 [2024-12-05 23:31:53,432 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:31:53,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:31:53,433 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:31:53,433 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:31:53,439 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,445 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,445 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,458 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,460 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,467 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,468 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:31:53,473 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:31:53,473 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:31:53,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:31:53,474 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:31:53" (1/1) ... [2024-12-05 23:31:53,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:31:53,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:31:53,503 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:31:53,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-05 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:31:53,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-12-05 23:31:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:31:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-12-05 23:31:53,528 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-12-05 23:31:53,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:31:53,614 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:31:53,615 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:32:32,424 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-05 23:32:32,425 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:32:32,497 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:32:32,497 INFO L312 CfgBuilder]: Removed 9 assume(true) statements. [2024-12-05 23:32:32,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:32 BoogieIcfgContainer [2024-12-05 23:32:32,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:32:32,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:32:32,498 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:32:32,505 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:32:32,505 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:32" (1/1) ... [2024-12-05 23:32:32,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:32:32,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 76 states and 124 transitions. [2024-12-05 23:32:32,555 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2024-12-05 23:32:32,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 23:32:32,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:32,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:32,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:32,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:32,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:32:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:33,542 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:33,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:32:33,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:33,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:33,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:32:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:34,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 76 states and 117 transitions. [2024-12-05 23:32:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 117 transitions. [2024-12-05 23:32:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 23:32:34,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:34,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:34,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:34,352 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:34,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:32:36,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:36,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:37,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:37,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-05 23:32:37,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:37,355 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 [2024-12-05 23:32:38,071 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-12-05 23:32:38,072 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 51 treesize of output 31 [2024-12-05 23:32:38,142 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:32:38,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-12-05 23:32:39,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:39,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:32:42,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 116 transitions. [2024-12-05 23:32:42,558 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 116 transitions. [2024-12-05 23:32:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:32:42,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:42,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:42,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:42,562 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:42,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:32:44,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:44,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:44,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:32:44,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:45,235 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:32:45,237 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2024-12-05 23:32:46,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:46,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:32:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:47,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 77 states and 118 transitions. [2024-12-05 23:32:47,539 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 118 transitions. [2024-12-05 23:32:47,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 23:32:47,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:47,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:47,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:47,542 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:47,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:32:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:50,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:50,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:32:50,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:50,617 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 [2024-12-05 23:32:50,633 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 [2024-12-05 23:32:52,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:52,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:32:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:59,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 73 states and 108 transitions. [2024-12-05 23:32:59,211 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 108 transitions. [2024-12-05 23:32:59,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-05 23:32:59,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:59,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:59,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:59,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:59,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 23:33:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:33:02,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:33:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:33:02,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 23:33:02,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:33:02,502 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 [2024-12-05 23:33:02,517 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 34 treesize of output 18 [2024-12-05 23:33:02,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:33:02,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 23:33:03,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:33:03,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 73 states and 107 transitions. [2024-12-05 23:33:03,014 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 107 transitions. [2024-12-05 23:33:03,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:33:03,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:33:03,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:33:03,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:33:03,016 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:33:03,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 23:33:06,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:33:06,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:33:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:33:06,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:33:06,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:33:06,409 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:33:06,409 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-05 23:33:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:33:07,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 23:33:15,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:33:15,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 73 states and 106 transitions. [2024-12-05 23:33:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 106 transitions. [2024-12-05 23:33:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-05 23:33:15,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:33:15,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:33:15,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:33:15,740 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:33:15,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 23:33:18,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:33:18,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:33:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:33:18,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:33:18,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:33:22,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:33:22,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 23:34:22,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:34:27,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:34:27,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 75 states and 119 transitions. [2024-12-05 23:34:27,359 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 119 transitions. [2024-12-05 23:34:27,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:34:27,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:34:27,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:34:27,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:34:27,362 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:34:27,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 23:34:30,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:30,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:34:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:34:30,268 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-05 23:34:30,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:34:31,678 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 [2024-12-05 23:34:31,693 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 [2024-12-05 23:34:36,555 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:34:36,556 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2024-12-05 23:34:41,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:34:41,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-12-05 23:36:10,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:10,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 71 states and 108 transitions. [2024-12-05 23:36:10,114 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 108 transitions. [2024-12-05 23:36:10,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-05 23:36:10,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:10,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:10,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:10,117 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:10,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 23:36:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:13,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:13,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-05 23:36:13,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:16,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-12-05 23:36:26,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:36:32,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:36:36,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 72 states and 114 transitions. [2024-12-05 23:36:36,437 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 114 transitions. [2024-12-05 23:36:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:36:36,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:36,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:36,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:36,440 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:36,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 23:36:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:37,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:37,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:36:37,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:37,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:37,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 23:36:47,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-05 23:36:48,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:48,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2024-12-05 23:36:48,187 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2024-12-05 23:36:48,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:36:48,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:48,188 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:48,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:48,190 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:48,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 23:36:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:49,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:49,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-05 23:36:49,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:49,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:36:49,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 23:36:49,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:36:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 72 states and 110 transitions. [2024-12-05 23:36:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 110 transitions. [2024-12-05 23:36:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-05 23:36:49,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:36:49,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:36:49,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:36:49,660 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:36:49,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 23:36:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:51,905 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:36:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:36:51,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:36:51,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:36:52,142 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:36:52,143 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2024-12-05 23:37:08,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:37:08,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 23:39:14,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:14,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 70 states and 101 transitions. [2024-12-05 23:39:14,540 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 101 transitions. [2024-12-05 23:39:14,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:39:14,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:14,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:14,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:14,542 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:14,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 23:39:17,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:17,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:17,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:39:17,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:17,442 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:39:17,442 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-05 23:39:17,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:39:18,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-12-05 23:39:31,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:31,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 70 states and 100 transitions. [2024-12-05 23:39:31,399 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 100 transitions. [2024-12-05 23:39:31,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 23:39:31,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:31,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:31,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:31,402 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:31,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 23:39:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:33,634 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:33,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-05 23:39:33,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:39:33,873 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:39:33,873 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2024-12-05 23:39:34,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:39:34,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 23:39:53,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:39:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 70 states and 97 transitions. [2024-12-05 23:39:53,072 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 97 transitions. [2024-12-05 23:39:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:39:53,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:39:53,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:39:53,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:39:53,074 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:39:53,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 23:39:55,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:55,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:39:55,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:39:55,359 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 23:39:55,361 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:40:03,773 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-05 23:40:03,774 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-12-05 23:40:07,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:40:07,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 23:40:33,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:40:33,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 75 states and 102 transitions. [2024-12-05 23:40:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2024-12-05 23:40:33,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-12-05 23:40:33,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:40:33,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:40:33,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:40:33,752 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:40:33,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 23:40:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:40:34,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:40:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:40:34,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:40:34,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:40:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:40:38,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 23:41:46,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-05 23:41:46,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:41:46,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 75 states and 99 transitions. [2024-12-05 23:41:46,627 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2024-12-05 23:41:46,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-05 23:41:46,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:41:46,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:41:46,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:41:46,630 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:41:46,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 23:41:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:47,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:41:47,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:41:47,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-05 23:41:47,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:42:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:42:00,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-12-05 23:43:28,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:43:28,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 77 states and 102 transitions. [2024-12-05 23:43:28,450 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2024-12-05 23:43:28,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-05 23:43:28,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:43:28,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:43:28,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:43:28,453 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:43:28,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 23:43:30,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:30,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:43:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:43:30,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-05 23:43:30,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:44:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:44:57,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0bd0850e-b07e-4edb-8e56-76b387d5323c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Forceful destruction successful, exit code 0