./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.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_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/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_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/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_78106f9e-a92b-4b27-bc87-cc785364a3c8/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 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:29:17,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:29:17,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:29:17,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:29:17,707 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:29:17,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:29:17,728 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:29:17,728 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:29:17,729 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:29:17,729 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:29:17,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:29:17,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:29:17,729 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:29:17,729 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:29:17,730 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:29:17,730 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:29:17,731 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:29:17,731 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:29:17,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:17,731 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:29:17,731 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:29:17,731 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:29:17,731 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:29:17,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:29:17,731 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_78106f9e-a92b-4b27-bc87-cc785364a3c8/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 -> 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 [2024-12-06 01:29:17,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:29:17,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:29:17,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:29:17,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:29:17,976 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:29:17,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2024-12-06 01:29:20,673 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/42d81753f/dd17be1d5d5947adb5823a21d4e9bce4/FLAGccce2fb44 [2024-12-06 01:29:20,841 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:29:20,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2024-12-06 01:29:20,848 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/42d81753f/dd17be1d5d5947adb5823a21d4e9bce4/FLAGccce2fb44 [2024-12-06 01:29:20,861 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/42d81753f/dd17be1d5d5947adb5823a21d4e9bce4 [2024-12-06 01:29:20,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:29:20,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:29:20,866 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:20,866 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:29:20,869 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:29:20,870 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:20" (1/1) ... [2024-12-06 01:29:20,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663371fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:20, skipping insertion in model container [2024-12-06 01:29:20,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:20" (1/1) ... [2024-12-06 01:29:20,881 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:29:20,983 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-12-06 01:29:20,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7e0955ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:20, skipping insertion in model container [2024-12-06 01:29:20,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:20,983 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-12-06 01:29:20,985 INFO L158 Benchmark]: Toolchain (without parser) took 119.61ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 107.8MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:29:20,985 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:29:20,986 INFO L158 Benchmark]: CACSL2BoogieTranslator took 117.51ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 107.8MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:29:20,987 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 117.51ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 107.8MB in the end (delta: 8.3MB). 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_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/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_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/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_78106f9e-a92b-4b27-bc87-cc785364a3c8/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 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:29:22,730 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:29:22,811 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:29:22,838 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:29:22,839 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:29:22,839 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:29:22,840 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:29:22,840 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:29:22,840 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:29:22,841 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:22,841 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:29:22,842 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:29:22,842 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:22,842 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:29:22,842 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:29:22,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:29:22,842 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:29:22,842 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:22,842 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:29:22,842 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_78106f9e-a92b-4b27-bc87-cc785364a3c8/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 -> 6764d5c0204d5929259e99bbe2407d8f2018e402cda704b63da836202ebf4e68 [2024-12-06 01:29:23,087 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:29:23,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:29:23,097 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:29:23,098 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:29:23,098 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:29:23,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2024-12-06 01:29:25,779 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/59a29c144/a326d1f0110e4e60a21ccba8ad5998c9/FLAG6e7140594 [2024-12-06 01:29:25,942 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:29:25,942 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c [2024-12-06 01:29:25,950 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/59a29c144/a326d1f0110e4e60a21ccba8ad5998c9/FLAG6e7140594 [2024-12-06 01:29:26,331 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/data/59a29c144/a326d1f0110e4e60a21ccba8ad5998c9 [2024-12-06 01:29:26,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:29:26,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:29:26,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:26,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:29:26,338 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:29:26,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4964e6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26, skipping insertion in model container [2024-12-06 01:29:26,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:29:26,475 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_78106f9e-a92b-4b27-bc87-cc785364a3c8/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c[1657,1670] [2024-12-06 01:29:26,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:29:26,490 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:29:26,509 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_78106f9e-a92b-4b27-bc87-cc785364a3c8/sv-benchmarks/c/float-newlib/float_req_bl_1232b.c[1657,1670] [2024-12-06 01:29:26,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:29:26,525 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:29:26,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26 WrapperNode [2024-12-06 01:29:26,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:29:26,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:29:26,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:29:26,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:29:26,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,552 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-12-06 01:29:26,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:29:26,553 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:29:26,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:29:26,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:29:26,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,562 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,562 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,568 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,568 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,571 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,572 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,573 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,576 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:29:26,577 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:29:26,577 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:29:26,577 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:29:26,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:29:26,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:29:26,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:29:26,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:29:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:29:26,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:29:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 01:29:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-12-06 01:29:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-12-06 01:29:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 01:29:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:29:26,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:29:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 01:29:26,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 01:29:26,685 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:29:26,687 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:29:26,845 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 01:29:26,845 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:29:26,921 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:29:26,921 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:29:26,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:29:26 BoogieIcfgContainer [2024-12-06 01:29:26,922 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:29:26,923 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:29:26,923 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:29:26,932 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:29:26,933 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:29:26" (1/1) ... [2024-12-06 01:29:26,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:29:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:29:26,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-12-06 01:29:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-06 01:29:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 01:29:26,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:29:26,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:26,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:29:26,989 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:29:26,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:29:27,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:29:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:29:27,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:29:27,136 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 01:29:27,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:29:27,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:29:27,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 01:29:27,164 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 01:29:27,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 01:29:27,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:29:27,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:27,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:29:27,166 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:29:27,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:29:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:29:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 01:29:27,317 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:29:27,371 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 01:29:27,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-12-06 01:29:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:29:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2024-12-06 01:29:27,450 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 01:29:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 01:29:27,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:29:27,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:27,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:29:27,453 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:29:27,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:29:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:29:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 01:29:27,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:29:27,589 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 01:29:27,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:29:27,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:29:27,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2024-12-06 01:29:27,596 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-06 01:29:27,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:29:27,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:29:27,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:27,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:29:27,598 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:29:27,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:29:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:29:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:27,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 01:29:27,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:29:27,848 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:29:27,850 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 01:29:29,028 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 01:29:29,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:29:29,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:29:29,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2024-12-06 01:29:29,789 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 01:29:29,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:29:29,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:29:29,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:29,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:29:29,792 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:29:29,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:29:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:29,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:29:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:29:29,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 01:29:29,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:29:29,991 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:29:29,992 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 01:29:30,654 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 01:29:30,655 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 01:29:31,245 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 01:29:31,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:29:31,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:29:31,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2024-12-06 01:29:31,546 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-12-06 01:29:31,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 01:29:31,546 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:29:31,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:29:31,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:29:31,548 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:29:31,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78106f9e-a92b-4b27-bc87-cc785364a3c8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:29:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:29:31,818 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:29:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat