./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b.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_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/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_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/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_c10bb04c-2075-49d2-a3fc-ac560b44da49/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 72e6a731e5f93184d8452e046ba5fa07483889ea5d4b2985d4608011d07f1d55 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:19:35,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:19:35,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:19:35,486 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:19:35,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:19:35,505 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:19:35,506 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:19:35,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:19:35,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:19:35,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:19:35,506 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:19:35,507 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:19:35,508 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:19:35,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:19:35,508 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:19:35,508 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:19:35,508 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_c10bb04c-2075-49d2-a3fc-ac560b44da49/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 -> 72e6a731e5f93184d8452e046ba5fa07483889ea5d4b2985d4608011d07f1d55 [2024-12-06 04:19:35,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:19:35,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:19:35,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:19:35,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:19:35,747 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:19:35,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b.c [2024-12-06 04:19:38,388 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/236c42c95/22fe3a4cd6534d8f91a702d41a4307ed/FLAG90dcbbd58 [2024-12-06 04:19:38,580 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:19:38,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/sv-benchmarks/c/float-newlib/double_req_bl_1252b.c [2024-12-06 04:19:38,588 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/236c42c95/22fe3a4cd6534d8f91a702d41a4307ed/FLAG90dcbbd58 [2024-12-06 04:19:38,974 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/236c42c95/22fe3a4cd6534d8f91a702d41a4307ed [2024-12-06 04:19:38,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:19:38,982 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:19:38,985 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:38,985 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:19:38,990 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:19:38,991 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:38" (1/1) ... [2024-12-06 04:19:38,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30bf24cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:38, skipping insertion in model container [2024-12-06 04:19:38,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:38" (1/1) ... [2024-12-06 04:19:39,007 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:19:39,128 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-12-06 04:19:39,129 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@341815bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:39, skipping insertion in model container [2024-12-06 04:19:39,129 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:39,129 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-12-06 04:19:39,131 INFO L158 Benchmark]: Toolchain (without parser) took 148.81ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 108.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:19:39,131 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:19:39,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.75ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 108.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:19:39,133 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.75ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 108.2MB in the end (delta: 8.4MB). 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_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/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_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1252b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/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_c10bb04c-2075-49d2-a3fc-ac560b44da49/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 72e6a731e5f93184d8452e046ba5fa07483889ea5d4b2985d4608011d07f1d55 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:19:40,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:19:40,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:19:40,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:19:40,925 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:19:40,925 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:19:40,925 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:19:40,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:19:40,925 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:19:40,926 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:19:40,927 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:40,927 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:19:40,927 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:19:40,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:19:40,928 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:19:40,928 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:19:40,928 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:19:40,928 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:19:40,928 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:40,928 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:19:40,928 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_c10bb04c-2075-49d2-a3fc-ac560b44da49/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 -> 72e6a731e5f93184d8452e046ba5fa07483889ea5d4b2985d4608011d07f1d55 [2024-12-06 04:19:41,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:19:41,155 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:19:41,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:19:41,158 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:19:41,158 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:19:41,159 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/double_req_bl_1252b.c [2024-12-06 04:19:43,799 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/e26080d12/25e12d583c16478f9ca5b4f01afec1fa/FLAG052a1e892 [2024-12-06 04:19:43,957 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:19:43,958 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/sv-benchmarks/c/float-newlib/double_req_bl_1252b.c [2024-12-06 04:19:43,965 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/e26080d12/25e12d583c16478f9ca5b4f01afec1fa/FLAG052a1e892 [2024-12-06 04:19:44,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/data/e26080d12/25e12d583c16478f9ca5b4f01afec1fa [2024-12-06 04:19:44,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:19:44,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:19:44,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:44,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:19:44,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:19:44,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6245c8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44, skipping insertion in model container [2024-12-06 04:19:44,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:19:44,520 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_c10bb04c-2075-49d2-a3fc-ac560b44da49/sv-benchmarks/c/float-newlib/double_req_bl_1252b.c[2154,2167] [2024-12-06 04:19:44,523 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:19:44,531 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:19:44,548 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_c10bb04c-2075-49d2-a3fc-ac560b44da49/sv-benchmarks/c/float-newlib/double_req_bl_1252b.c[2154,2167] [2024-12-06 04:19:44,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:19:44,565 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:19:44,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44 WrapperNode [2024-12-06 04:19:44,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:19:44,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:19:44,567 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:19:44,567 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:19:44,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,596 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-12-06 04:19:44,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:19:44,597 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:19:44,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:19:44,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:19:44,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,614 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,615 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:19:44,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:19:44,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:19:44,624 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:19:44,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:19:44,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:19:44,652 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:19:44,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:19:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:19:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-12-06 04:19:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:19:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 04:19:44,677 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2024-12-06 04:19:44,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2024-12-06 04:19:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 04:19:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:19:44,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:19:44,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 04:19:44,732 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:19:44,733 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:19:44,887 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-06 04:19:44,887 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:19:44,954 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:19:44,954 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 04:19:44,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:44 BoogieIcfgContainer [2024-12-06 04:19:44,954 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:19:44,955 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:19:44,955 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:19:44,964 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:19:44,965 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:19:44" (1/1) ... [2024-12-06 04:19:44,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:19:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-12-06 04:19:45,006 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-06 04:19:45,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 04:19:45,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:45,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:45,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:45,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:45,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:19:45,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:19:45,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:45,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:19:45,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 04:19:45,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:45,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 04:19:45,208 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 04:19:45,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 04:19:45,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:45,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:45,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:45,210 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:45,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 04:19:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:45,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,430 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 04:19:45,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:45,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:19:45,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 04:19:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:45,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2024-12-06 04:19:45,567 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 04:19:45,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 04:19:45,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:45,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:45,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:45,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:45,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 04:19:45,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:45,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 04:19:45,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:45,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:19:45,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 04:19:45,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2024-12-06 04:19:45,755 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-06 04:19:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 04:19:45,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:45,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:45,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:45,757 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:45,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 04:19:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:45,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:45,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 04:19:45,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:48,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 04:19:48,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 04:19:49,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2024-12-06 04:19:49,826 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 04:19:49,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 04:19:49,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:49,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:49,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:49,828 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:49,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 04:19:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:50,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 04:19:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 04:19:50,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 04:19:50,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 04:19:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-12-06 04:19:53,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 04:19:53,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:19:53,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2024-12-06 04:19:53,515 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-12-06 04:19:53,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 04:19:53,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:19:53,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:19:53,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:19:53,518 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:19:53,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c10bb04c-2075-49d2-a3fc-ac560b44da49/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 04:19:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:19:53,880 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:19:54,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat