./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_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_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/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_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/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_638c79e1-ac9f-4995-87a2-3b4f5108f450/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 c12eaf00463983fc4c27f56efba3b68bea09d23ae311c93edfb6c8bce7a55280 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:32:32,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:32:32,993 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:32:32,997 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:32:32,998 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:32:33,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:32:33,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:32:33,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:32:33,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:32:33,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:32:33,018 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:32:33,019 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:32:33,020 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:32:33,020 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:32:33,020 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:32:33,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:32:33,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:32:33,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:32:33,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:32:33,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:32:33,020 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:32:33,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:32:33,020 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_638c79e1-ac9f-4995-87a2-3b4f5108f450/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 -> c12eaf00463983fc4c27f56efba3b68bea09d23ae311c93edfb6c8bce7a55280 [2024-12-06 05:32:33,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:32:33,263 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:32:33,265 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:32:33,266 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:32:33,267 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:32:33,268 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2024-12-06 05:32:35,985 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/df83e6c44/4f13aff0e2944e7989e911158d4f1c07/FLAGd14f04b4f [2024-12-06 05:32:36,156 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:32:36,157 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2024-12-06 05:32:36,174 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/df83e6c44/4f13aff0e2944e7989e911158d4f1c07/FLAGd14f04b4f [2024-12-06 05:32:36,198 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/df83e6c44/4f13aff0e2944e7989e911158d4f1c07 [2024-12-06 05:32:36,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:32:36,203 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:32:36,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:32:36,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:32:36,216 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:32:36,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:36" (1/1) ... [2024-12-06 05:32:36,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d4b2aad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:36, skipping insertion in model container [2024-12-06 05:32:36,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:36" (1/1) ... [2024-12-06 05:32:36,234 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:32:36,354 ERROR L321 MainTranslator]: Unsupported Syntax: floats in unions are not supported in the integer translation. [2024-12-06 05:32:36,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@67094833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:36, skipping insertion in model container [2024-12-06 05:32:36,354 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:32:36,355 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2024-12-06 05:32:36,356 INFO L158 Benchmark]: Toolchain (without parser) took 153.15ms. Allocated memory is still 142.6MB. Free memory was 120.2MB in the beginning and 111.6MB in the end (delta: 8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:32:36,357 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:32:36,357 INFO L158 Benchmark]: CACSL2BoogieTranslator took 144.03ms. Allocated memory is still 142.6MB. Free memory was 120.0MB in the beginning and 111.6MB in the end (delta: 8.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:32:36,358 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 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 144.03ms. Allocated memory is still 142.6MB. Free memory was 120.0MB in the beginning and 111.6MB in the end (delta: 8.4MB). There was no memory consumed. 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_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/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_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1252b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/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_638c79e1-ac9f-4995-87a2-3b4f5108f450/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 c12eaf00463983fc4c27f56efba3b68bea09d23ae311c93edfb6c8bce7a55280 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:32:38,158 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:32:38,237 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:32:38,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:32:38,264 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:32:38,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:32:38,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:32:38,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:32:38,265 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:32:38,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:32:38,265 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:32:38,265 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:32:38,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:32:38,267 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:32:38,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:32:38,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:32:38,267 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:38,268 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:32:38,268 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_638c79e1-ac9f-4995-87a2-3b4f5108f450/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 -> c12eaf00463983fc4c27f56efba3b68bea09d23ae311c93edfb6c8bce7a55280 [2024-12-06 05:32:38,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:32:38,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:32:38,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:32:38,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:32:38,517 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:32:38,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2024-12-06 05:32:41,246 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/723631190/477069d21854487980c67c3299d61702/FLAGdcd5e671f [2024-12-06 05:32:41,398 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:32:41,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/sv-benchmarks/c/float-newlib/float_req_bl_1252b.c [2024-12-06 05:32:41,405 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/723631190/477069d21854487980c67c3299d61702/FLAGdcd5e671f [2024-12-06 05:32:41,420 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/data/723631190/477069d21854487980c67c3299d61702 [2024-12-06 05:32:41,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:32:41,424 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:32:41,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:32:41,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:32:41,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:32:41,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,431 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5639f799 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41, skipping insertion in model container [2024-12-06 05:32:41,432 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,446 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:32:41,600 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_638c79e1-ac9f-4995-87a2-3b4f5108f450/sv-benchmarks/c/float-newlib/float_req_bl_1252b.c[1936,1949] [2024-12-06 05:32:41,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:32:41,615 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:32:41,633 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_638c79e1-ac9f-4995-87a2-3b4f5108f450/sv-benchmarks/c/float-newlib/float_req_bl_1252b.c[1936,1949] [2024-12-06 05:32:41,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:32:41,649 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:32:41,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41 WrapperNode [2024-12-06 05:32:41,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:32:41,650 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:32:41,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:32:41,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:32:41,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,680 INFO L138 Inliner]: procedures = 21, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2024-12-06 05:32:41,681 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:32:41,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:32:41,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:32:41,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:32:41,687 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,699 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,699 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,705 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:32:41,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:32:41,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:32:41,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:32:41,710 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:32:41" (1/1) ... [2024-12-06 05:32:41,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:32:41,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:32:41,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:32:41,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:32:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:32:41,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:32:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 05:32:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2024-12-06 05:32:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2024-12-06 05:32:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-12-06 05:32:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:32:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:32:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-12-06 05:32:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 05:32:41,819 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:32:41,820 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:32:41,987 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-06 05:32:41,987 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:32:42,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:32:42,059 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 05:32:42,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:32:42 BoogieIcfgContainer [2024-12-06 05:32:42,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:32:42,060 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:32:42,060 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:32:42,067 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:32:42,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:32:42" (1/1) ... [2024-12-06 05:32:42,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:32:42,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 20 states and 27 transitions. [2024-12-06 05:32:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 27 transitions. [2024-12-06 05:32:42,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-06 05:32:42,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:42,113 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:42,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:42,116 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:42,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:32:42,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:32:42,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:32:42,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:42,264 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 05:32:42,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:32:42,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:42,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-06 05:32:42,291 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-06 05:32:42,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 05:32:42,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:42,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:42,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:42,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:42,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:32:42,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,409 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:32:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:32:42,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:32:42,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:32:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 27 transitions. [2024-12-06 05:32:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2024-12-06 05:32:42,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 05:32:42,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:42,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:42,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:42,570 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:42,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:32:42,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:32:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-06 05:32:42,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:42,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 05:32:42,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-12-06 05:32:42,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:42,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 25 transitions. [2024-12-06 05:32:42,705 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-12-06 05:32:42,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 05:32:42,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:42,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:42,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:42,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:42,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:32:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:32:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:42,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-06 05:32:42,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:42,973 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:32:42,975 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 05:32:44,048 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 05:32:44,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:32:44,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:44,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 24 transitions. [2024-12-06 05:32:44,804 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-12-06 05:32:44,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 05:32:44,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:44,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:44,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:44,807 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:44,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 05:32:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:44,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:32:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:32:45,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 05:32:45,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:32:45,035 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:32:45,035 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 05:32:45,789 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 05:32:45,789 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-12-06 05:32:46,435 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 05:32:46,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 05:32:46,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:32:46,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 20 states and 20 transitions. [2024-12-06 05:32:46,729 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-12-06 05:32:46,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 05:32:46,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:32:46,729 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:32:46,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:32:46,731 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:32:46,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_638c79e1-ac9f-4995-87a2-3b4f5108f450/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 05:32:47,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:32:47,016 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:32:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat