./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-esbmc-regression/floor.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9 --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 2fd2deb0e8313975c9d54ee1b16946e3789e7abb88f0b7dc85fa4274c14ad7b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:09:07,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:09:07,724 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:09:07,728 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:09:07,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:09:07,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:09:07,756 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:09:07,756 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:09:07,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:09:07,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:09:07,758 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:09:07,759 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:09:07,759 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:09:07,760 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:09:07,760 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:09:07,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:09:07,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:09:07,762 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:09:07,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:09:07,763 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:09:07,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:09:07,764 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:09:07,765 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:09:07,765 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:09:07,766 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:09:07,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:09:07,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:09:07,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:09:07,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:09:07,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:09:07,768 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:09:07,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:09:07,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:09:07,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fd2deb0e8313975c9d54ee1b16946e3789e7abb88f0b7dc85fa4274c14ad7b0 [2023-12-03 02:09:07,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:09:07,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:09:07,992 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:09:07,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:09:07,994 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:09:07,995 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-esbmc-regression/floor.i [2023-12-03 02:09:10,791 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:09:11,012 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:09:11,013 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/sv-benchmarks/c/floats-esbmc-regression/floor.i [2023-12-03 02:09:11,027 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data/6f6b5b4dc/a0126fe1cd2c4e0eb095a12c20e23791/FLAGfb4374474 [2023-12-03 02:09:11,042 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data/6f6b5b4dc/a0126fe1cd2c4e0eb095a12c20e23791 [2023-12-03 02:09:11,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:09:11,046 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:09:11,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:09:11,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:09:11,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:09:11,053 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:09:11" (1/1) ... [2023-12-03 02:09:11,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70be884a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:11, skipping insertion in model container [2023-12-03 02:09:11,054 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:09:11" (1/1) ... [2023-12-03 02:09:11,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:09:11,605 WARN L240 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_d28b6e8d-9064-45f0-886d-4ec25b0556a9/sv-benchmarks/c/floats-esbmc-regression/floor.i[36280,36293] [2023-12-03 02:09:11,613 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.ExpressionResultTransformer.transformDispatchDecaySwitchRexBoolToInt(ExpressionResultTransformer.java:178) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallGivenNameAndArguments(FunctionHandler.java:665) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionCallExpression(FunctionHandler.java:536) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1491) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1427) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:222) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-03 02:09:11,617 INFO L158 Benchmark]: Toolchain (without parser) took 570.80ms. Allocated memory is still 146.8MB. Free memory was 100.4MB in the beginning and 87.9MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:09:11,618 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 90.3MB in the beginning and 90.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:09:11,618 INFO L158 Benchmark]: CACSL2BoogieTranslator took 568.59ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 87.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:09:11,620 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 146.8MB. Free memory was 90.3MB in the beginning and 90.1MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 568.59ms. Allocated memory is still 146.8MB. Free memory was 100.0MB in the beginning and 87.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: floor: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-esbmc-regression/floor.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9 --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 2fd2deb0e8313975c9d54ee1b16946e3789e7abb88f0b7dc85fa4274c14ad7b0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:09:13,355 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:09:13,429 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:09:13,459 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:09:13,460 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:09:13,461 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:09:13,461 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:09:13,462 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:09:13,462 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:09:13,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:09:13,463 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:09:13,464 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:09:13,465 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:09:13,465 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:09:13,466 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:09:13,466 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:09:13,467 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:09:13,467 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:09:13,468 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:09:13,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:09:13,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:09:13,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:09:13,470 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:09:13,470 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:09:13,471 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:09:13,471 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:13,472 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:09:13,473 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:09:13,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:09:13,474 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:09:13,474 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:09:13,475 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:09:13,475 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:09:13,475 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:13,475 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:09:13,476 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:09:13,476 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:09:13,476 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fd2deb0e8313975c9d54ee1b16946e3789e7abb88f0b7dc85fa4274c14ad7b0 [2023-12-03 02:09:13,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:09:13,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:09:13,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:09:13,776 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:09:13,777 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:09:13,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/floats-esbmc-regression/floor.i [2023-12-03 02:09:16,620 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:09:16,884 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:09:16,885 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/sv-benchmarks/c/floats-esbmc-regression/floor.i [2023-12-03 02:09:16,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data/49a5f8bd4/280bb15fe5034ab68e5f5d1dfcb6ace9/FLAG09989a091 [2023-12-03 02:09:16,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/data/49a5f8bd4/280bb15fe5034ab68e5f5d1dfcb6ace9 [2023-12-03 02:09:16,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:09:16,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:09:16,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:09:16,918 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:09:16,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:09:16,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:09:16" (1/1) ... [2023-12-03 02:09:16,923 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e274e55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:16, skipping insertion in model container [2023-12-03 02:09:16,923 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:09:16" (1/1) ... [2023-12-03 02:09:16,970 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:09:17,488 WARN L240 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_d28b6e8d-9064-45f0-886d-4ec25b0556a9/sv-benchmarks/c/floats-esbmc-regression/floor.i[36280,36293] [2023-12-03 02:09:17,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:09:17,516 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:09:17,544 WARN L240 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_d28b6e8d-9064-45f0-886d-4ec25b0556a9/sv-benchmarks/c/floats-esbmc-regression/floor.i[36280,36293] [2023-12-03 02:09:17,549 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:09:17,692 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:09:17,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17 WrapperNode [2023-12-03 02:09:17,692 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:09:17,693 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:09:17,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:09:17,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:09:17,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,748 INFO L138 Inliner]: procedures = 448, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-12-03 02:09:17,748 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:09:17,749 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:09:17,749 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:09:17,749 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:09:17,757 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,758 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,760 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,766 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,768 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,770 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,771 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:09:17,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:09:17,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:09:17,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:09:17,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:09:17" (1/1) ... [2023-12-03 02:09:17,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:09:17,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:09:17,803 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:09:17,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:09:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:09:17,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 02:09:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 02:09:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:09:17,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:09:17,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:09:17,932 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:09:17,934 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:09:18,020 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:09:18,049 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:09:18,049 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:09:18,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:09:18 BoogieIcfgContainer [2023-12-03 02:09:18,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:09:18,052 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:09:18,052 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:09:18,059 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:09:18,059 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:09:18" (1/1) ... [2023-12-03 02:09:18,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:09:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:18,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 15 states and 18 transitions. [2023-12-03 02:09:18,116 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 18 transitions. [2023-12-03 02:09:18,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-12-03 02:09:18,117 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:18,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:18,119 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:18,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:09:18,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:18,270 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:09:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:09:18,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:09:18,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:09:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:09:18,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:09:18,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:09:18,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-12-03 02:09:18,477 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-12-03 02:09:18,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:09:18,481 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:09:18,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:09:18,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:09:18,486 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:09:18,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d28b6e8d-9064-45f0-886d-4ec25b0556a9/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:09:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:09:18,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:09:18,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat