./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i --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_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/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_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/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_f546bd41-700b-4488-abde-d1e9d25362d9/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 dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:45:50,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:45:50,670 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:45:50,675 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:45:50,675 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:45:50,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:45:50,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:45:50,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:45:50,695 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:45:50,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:45:50,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:45:50,696 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:45:50,697 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:45:50,697 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:45:50,697 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:45:50,697 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:45:50,697 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:45:50,697 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:45:50,697 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:45:50,697 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:45:50,697 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:45:50,697 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:45:50,698 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:45:50,698 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:45:50,698 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:45:50,698 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_f546bd41-700b-4488-abde-d1e9d25362d9/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 -> dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 [2024-12-06 03:45:50,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:45:50,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:45:50,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:45:50,948 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:45:50,948 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:45:50,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2024-12-06 03:45:53,623 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/ab2ce3cff/5131a491f0e546328f0fe5dceb9f4cae/FLAG74131b2f3 [2024-12-06 03:45:53,845 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:45:53,845 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2024-12-06 03:45:53,856 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/ab2ce3cff/5131a491f0e546328f0fe5dceb9f4cae/FLAG74131b2f3 [2024-12-06 03:45:54,171 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/ab2ce3cff/5131a491f0e546328f0fe5dceb9f4cae [2024-12-06 03:45:54,172 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:45:54,174 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:45:54,175 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:45:54,175 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:45:54,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:45:54,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:45:54" (1/1) ... [2024-12-06 03:45:54,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2719a6fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:54, skipping insertion in model container [2024-12-06 03:45:54,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:45:54" (1/1) ... [2024-12-06 03:45:54,206 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:45:54,562 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: fesetround not supported in non-bitprecise translation at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:738) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleBuiltinFesetround(StandardFunctionHandler.java:2801) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 03:45:54,567 INFO L158 Benchmark]: Toolchain (without parser) took 392.22ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 101.9MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:45:54,567 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:45:54,568 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.25ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 102.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:45:54,569 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.25ms. Allocated memory is still 142.6MB. Free memory was 115.0MB in the beginning and 102.1MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: fesetround not supported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: fesetround not supported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBuiltinFesetround(IntegerTranslation.java:738) 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_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/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_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/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_f546bd41-700b-4488-abde-d1e9d25362d9/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 dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:45:56,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:45:56,365 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 03:45:56,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:45:56,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:45:56,392 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:45:56,392 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:45:56,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:45:56,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:45:56,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 03:45:56,393 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:45:56,394 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:45:56,394 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 03:45:56,395 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:45:56,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:45:56,395 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:45:56,395 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:45:56,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:45:56,395 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 03:45:56,395 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 03:45:56,395 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 03:45:56,395 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_f546bd41-700b-4488-abde-d1e9d25362d9/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 -> dbfc84775d165ba071925cc295d45b37e6e48fdc14a38c03379a9274950a3653 [2024-12-06 03:45:56,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:45:56,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:45:56,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:45:56,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:45:56,645 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:45:56,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2024-12-06 03:45:59,292 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/160b2725f/7beb0a396437484d85410006ff152282/FLAGf9b15e781 [2024-12-06 03:45:59,500 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:45:59,500 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i [2024-12-06 03:45:59,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/160b2725f/7beb0a396437484d85410006ff152282/FLAGf9b15e781 [2024-12-06 03:45:59,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/data/160b2725f/7beb0a396437484d85410006ff152282 [2024-12-06 03:45:59,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:45:59,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:45:59,532 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:45:59,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:45:59,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:45:59,536 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:45:59" (1/1) ... [2024-12-06 03:45:59,537 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@570ca123 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:45:59, skipping insertion in model container [2024-12-06 03:45:59,537 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:45:59" (1/1) ... [2024-12-06 03:45:59,563 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:45:59,909 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42829,42842] [2024-12-06 03:45:59,911 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_f546bd41-700b-4488-abde-d1e9d25362d9/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42946,42959] [2024-12-06 03:45:59,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:45:59,924 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:45:59,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma STDC FENV_ACCESS OFF [1095] [2024-12-06 03:45:59,957 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_f546bd41-700b-4488-abde-d1e9d25362d9/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42829,42842] [2024-12-06 03:45:59,958 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_f546bd41-700b-4488-abde-d1e9d25362d9/sv-benchmarks/c/floats-cbmc-regression/float-rounding1.i[42946,42959] [2024-12-06 03:45:59,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:46:00,057 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:46:00,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00 WrapperNode [2024-12-06 03:46:00,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:46:00,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:46:00,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:46:00,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:46:00,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,081 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,098 INFO L138 Inliner]: procedures = 461, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2024-12-06 03:46:00,098 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:46:00,099 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:46:00,099 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:46:00,099 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:46:00,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,112 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,113 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,116 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,117 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,119 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:46:00,119 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:46:00,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:46:00,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:46:00,120 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:46:00,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:46:00,142 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:46:00,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:46:00,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 03:46:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure roundingTest [2024-12-06 03:46:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure roundingTest [2024-12-06 03:46:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:46:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:46:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:46:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:46:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:46:00,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.setCurrentRoundingMode [2024-12-06 03:46:00,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.setCurrentRoundingMode [2024-12-06 03:46:00,243 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:46:00,244 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:46:00,443 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-06 03:46:00,443 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:46:00,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:46:00,500 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 03:46:00,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:46:00 BoogieIcfgContainer [2024-12-06 03:46:00,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:46:00,501 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:46:00,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:46:00,510 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:46:00,510 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:46:00" (1/1) ... [2024-12-06 03:46:00,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:46:00,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:46:00,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-12-06 03:46:00,550 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-12-06 03:46:00,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:46:00,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:46:00,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:46:00,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:46:00,556 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:46:00,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 03:46:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:46:00,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:46:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:46:00,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 03:46:00,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:46:01,373 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 03:46:01,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 03:46:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:46:02,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 35 transitions. [2024-12-06 03:46:02,395 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-12-06 03:46:02,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:46:02,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:46:02,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:46:02,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:46:02,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:46:02,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 03:46:02,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:46:02,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:46:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:46:02,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 03:46:02,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:46:06,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:46:06,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 03:46:09,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:46:09,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 41 transitions. [2024-12-06 03:46:09,788 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-12-06 03:46:09,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:46:09,789 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:46:09,789 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 03:46:09,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 03:46:09,791 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 03:46:09,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 03:46:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:46:10,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 03:46:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:46:10,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 03:46:10,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:46:17,540 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:46:17,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 03:46:57,276 WARN L873 $PredicateComparison]: unable to prove that (and (exists ((v_currentRoundingMode_44 RoundingMode)) (and (= c_roundingTest_~f2 ((_ to_fp 8 24) v_currentRoundingMode_44 ((_ to_fp 11 53) v_currentRoundingMode_44 (/ 3.0 33554432.0)))) (= c_roundingTest_~f1 ((_ to_fp 8 24) v_currentRoundingMode_44 ((_ to_fp 11 53) v_currentRoundingMode_44 1.0))))) (fp.eq (fp.add roundNearestTiesToEven |c_roundingTest_#in~f1| |c_roundingTest_#in~f2|) ((_ to_fp 8 24) roundNearestTiesToEven (/ 8388609.0 8388608.0))) (= c_currentRoundingMode roundNearestTiesToEven)) is different from true [2024-12-06 03:47:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:47:45,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 25 states and 27 transitions. [2024-12-06 03:47:45,503 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-12-06 03:47:45,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:47:45,504 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2024-12-06 03:47:45,510 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point ULTIMATE.setCurrentRoundingModeEXIT(line -1) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.setCurrentRoundingMode_i (_ bv3072 32)))) (or (and (not .cse0) (let ((.cse1 (= ULTIMATE.setCurrentRoundingMode_i (_ bv0 32)))) (or (and (not .cse1) (let ((.cse2 (= ULTIMATE.setCurrentRoundingMode_i (_ bv2048 32)))) (or (and (not .cse2) (or (= currentRoundingMode roundTowardNegative) (not (= ULTIMATE.setCurrentRoundingMode_i (_ bv1024 32))))) (and (= currentRoundingMode roundTowardPositive) .cse2)))) (and (= currentRoundingMode roundNearestTiesToEven) .cse1)))) (and (= currentRoundingMode roundTowardZero) .cse0))) [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point L1132(line 1132) the Hoare annotation is: true [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point L1130(line 1130) the Hoare annotation is: true [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point L1129(line 1129) the Hoare annotation is: true [2024-12-06 03:47:46,752 INFO L77 FloydHoareUtils]: At program point L1129-1(line 1129) the Hoare annotation is: (and (fp.lt |ULTIMATE.start_main_~f3~0#1| ((_ to_fp 8 24) currentRoundingMode (/ 8388609.0 8388608.0))) (fp.lt ((_ to_fp 8 24) currentRoundingMode (/ 16777215.0 16777216.0)) |ULTIMATE.start_main_~f3~0#1|)) [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1123(line 1123) the Hoare annotation is: (exists ((currentRoundingMode RoundingMode)) (and (= |ULTIMATE.start_main_~f1~0#1| ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= |ULTIMATE.start_main_~f2~0#1| ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3.0 33554432.0)))))) [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1123-1(line 1123) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 2 4) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 2 4) the Hoare annotation is: (not (= (_ bv0 32) |assume_abort_if_not_#in~cond|)) [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1110(line 1110) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1110-1(line 1110) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1110-3(lines 1097 1113) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1106(line 1106) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1103(line 1103) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point roundingTestEXIT(lines 1097 1113) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1103-1(line 1103) the Hoare annotation is: true [2024-12-06 03:47:46,753 INFO L77 FloydHoareUtils]: At program point L1103-3(line 1103) the Hoare annotation is: true [2024-12-06 03:47:46,754 INFO L77 FloydHoareUtils]: At program point L1099(line 1099) the Hoare annotation is: (not (and (exists ((currentRoundingMode RoundingMode)) (and (= roundingTest_~f1 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3.0 33554432.0))) roundingTest_~f2))) (not (and (= |roundingTest_#in~f1| roundingTest_~f1) (= |roundingTest_#in~f2| roundingTest_~f2))))) [2024-12-06 03:47:46,754 INFO L77 FloydHoareUtils]: At program point L1099-1(line 1099) the Hoare annotation is: true [2024-12-06 03:47:46,754 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 1097 1113) the Hoare annotation is: true [2024-12-06 03:47:46,754 INFO L77 FloydHoareUtils]: At program point roundingTestErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1103) the Hoare annotation is: true [2024-12-06 03:47:46,754 INFO L77 FloydHoareUtils]: At program point roundingTestErr1ASSERT_VIOLATIONERROR_FUNCTION(line 1110) the Hoare annotation is: true [2024-12-06 03:47:46,774 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-12-06 03:47:46,774 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-12-06 03:47:46,774 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT [2024-12-06 03:47:46,775 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST [2024-12-06 03:47:46,776 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD [2024-12-06 03:47:46,776 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD [2024-12-06 03:47:46,776 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ [2024-12-06 03:47:46,777 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD [2024-12-06 03:47:46,778 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO [2024-12-06 03:47:46,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:47:46 ImpRootNode [2024-12-06 03:47:46,779 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:47:46,780 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:47:46,780 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:47:46,780 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:47:46,781 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:46:00" (3/4) ... [2024-12-06 03:47:46,782 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:47:46,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.setCurrentRoundingMode [2024-12-06 03:47:46,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 03:47:46,784 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure roundingTest [2024-12-06 03:47:46,787 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-12-06 03:47:46,788 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-06 03:47:46,788 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-12-06 03:47:46,788 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:47:46,788 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:47:46,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:47:46,846 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:47:46,846 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:47:46,847 INFO L158 Benchmark]: Toolchain (without parser) took 107315.69ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 68.3MB in the beginning and 111.8MB in the end (delta: -43.4MB). Peak memory consumption was 82.3MB. Max. memory is 16.1GB. [2024-12-06 03:47:46,847 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:47:46,847 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.54ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 52.4MB in the end (delta: 15.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2024-12-06 03:47:46,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.30ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 50.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:47:46,848 INFO L158 Benchmark]: Boogie Preprocessor took 20.26ms. Allocated memory is still 92.3MB. Free memory was 50.1MB in the beginning and 49.2MB in the end (delta: 985.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:47:46,848 INFO L158 Benchmark]: RCFGBuilder took 381.34ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 66.6MB in the end (delta: -17.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2024-12-06 03:47:46,849 INFO L158 Benchmark]: CodeCheck took 106277.85ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.2MB in the beginning and 42.1MB in the end (delta: 24.1MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2024-12-06 03:47:46,849 INFO L158 Benchmark]: Witness Printer took 66.19ms. Allocated memory is still 142.6MB. Free memory was 42.1MB in the beginning and 111.8MB in the end (delta: -69.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. [2024-12-06 03:47:46,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 105.0s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 7.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 50 SdHoareTripleChecker+Invalid, 6.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 4 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 64 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 194 IncrementalHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 64 mSolverCounterUnsat, 48 mSDtfsCounter, 194 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 460 GetRequests, 394 SyntacticMatches, 8 SemanticMatches, 58 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 885 ImplicationChecksByTransitivity, 96.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 11.5s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 19 QuantifiedInterpolants, 685 SizeOfPredicates, 27 NumberOfNonLiveVariables, 121 ConjunctsInSsa, 47 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 10/14 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 1103]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 1110]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 2]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((0 != cond) && ((signgam == \old(signgam)) && (_LIB_VERSION == \old(_LIB_VERSION)))) - ProcedureContractResult [Line: 1097]: Procedure Contract for roundingTest Derived contract for procedure roundingTest. Ensures: ((signgam == \old(signgam)) && (_LIB_VERSION == \old(_LIB_VERSION))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.54ms. Allocated memory is still 92.3MB. Free memory was 68.1MB in the beginning and 52.4MB in the end (delta: 15.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.30ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 50.1MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.26ms. Allocated memory is still 92.3MB. Free memory was 50.1MB in the beginning and 49.2MB in the end (delta: 985.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 381.34ms. Allocated memory is still 92.3MB. Free memory was 49.2MB in the beginning and 66.6MB in the end (delta: -17.5MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. * CodeCheck took 106277.85ms. Allocated memory was 92.3MB in the beginning and 142.6MB in the end (delta: 50.3MB). Free memory was 66.2MB in the beginning and 42.1MB in the end (delta: 24.1MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Witness Printer took 66.19ms. Allocated memory is still 142.6MB. Free memory was 42.1MB in the beginning and 111.8MB in the end (delta: -69.7MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 1095]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma STDC FENV_ACCESS OFF [1095] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NAN - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_INFINITE - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_ZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_SUBNORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~FP_NORMAL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_IEEE_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_SVID_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_XOPEN_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_POSIX_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed1~0~_ISOC_ - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INVALID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~__FE_DENORM - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_DIVBYZERO - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_OVERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_UNDERFLOW - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed2~0~FE_INEXACT - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TONEAREST - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_DOWNWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_UPWARD - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed3~0~FE_TOWARDZERO RESULT: Ultimate proved your program to be correct! [2024-12-06 03:47:46,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f546bd41-700b-4488-abde-d1e9d25362d9/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE